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Destruction Certificate as a Chain-of-Custody Event Bound to a Data-Rights Request

Reusing a general-purpose chain-of-custody event type as the substrate for a privacy-specific destruction certificate, bound back to its originating erasure request

Patent Claim JIL Sovereign July 2026 Claim 148 of 157

Executive Summary

JIL Sovereign generates a destruction certificate for a data-rights erasure action not as a separate document produced by a distinct records-management process, but as a first-class chain-of-custody event of a defined type - DESTROY_OBJECT - recorded in the platform's existing custody-event ledger. The event names both actors whose approval authorized the action and carries a timestamp of execution. The resulting custody-event identifier is then written back onto the original erasure-request record, so the request row itself carries a permanent, independently-verifiable pointer to the exact custody-chain entry documenting that, when, and by whom, the corresponding destruction occurred.

Because the destruction event lives in the same ledger and is subject to the same tamper-evidence properties as every other custody event, the resulting artifact functions as a de facto destruction certificate without requiring a separate certificate-generation and storage subsystem.

Core Innovation: Reusing a general-purpose chain-of-custody event type - the same mechanism used to record evidentiary object handling elsewhere in the platform - as the substrate for a privacy-specific artifact, rather than building a separate parallel certificate-generation subsystem, and closing the loop by writing the resulting custody-event identifier back onto the originating request.

Problem Statement

Data-protection regimes that recognize a right to erasure or destruction of specific records typically expect an organization to demonstrate, on demand, that a specific destruction actually occurred, when, and under whose authorization - a certificate of destruction. Conventional implementations either produce this as an ad hoc document - a PDF or email generated by a separate compliance workflow, unlinked to any tamper-evident record of the underlying system event - or do not produce one at all, leaving the organization able to assert that destruction occurred without being able to independently prove it against a verifiable event trail.

1
Reused custody-event ledger, not a separate certificate subsystem
2
Approving actors named per destruction event
1:1
Bind-back link from request row to custody-event identifier

Why Ad Hoc Certificates Fall Short

  • Manual certificate-of-destruction processes (records-management/shredding vendors): a standalone signed document, not linked to a tamper-evident system-of-record event trail.
  • Generic audit-log "delete" entries: record that a delete happened, but are not purpose-typed as a destruction certificate and not typically bound back onto a formal data-rights request record.
  • Data-rights/consent-management platforms (OneTrust, TrustArc): track request-workflow status (for example, "completed") but do not generally bind that status to an independently-verifiable custody-chain event.

Technical Architecture

Existing Custody-Event Ledger

The platform already records a typed stream of chain-of-custody events for evidentiary objects generally - collection, transfer, access, and other lifecycle events - each with an actor, a timestamp, and an object reference, forming an existing tamper-evident record type.

Destruction as a Custody Event

StepAction
1Erasure request's suppression/destruction action executes, having passed the two-point legal-hold interdiction described elsewhere in this portfolio
2System writes a DESTROY_OBJECT event into the same custody-event ledger, naming both actors whose approval was required
3Resulting custody-event's unique identifier is written back onto the originating data-rights request row

Bind-Back

The bind-back step creates a permanent, queryable link from "this erasure request" to "this specific, independently-verifiable custody-chain entry documenting its execution." Because the DESTROY_OBJECT event lives in the same ledger and is subject to the same tamper-evidence properties as every other custody event, the resulting artifact functions as a de facto destruction certificate without a separate certificate-generation and storage subsystem.

Consistency with Chain-of-Custody Infrastructure

The DESTROY_OBJECT event, like any other event on the platform, is written into the entity's own per-(tenant, subject-entity) hash-chained ledger described elsewhere in this portfolio, meaning the destruction certificate inherits the same tamper-evidence and independent-replay-verification properties as the rest of that entity's custody history, rather than being a weaker, bolted-on artifact type.

Prior Art Differentiation

ApproachBound to Tamper-Evident Event Trail?Bound Back to Originating Request?
Manual certificate-of-destruction processesNoNo
Generic audit-log delete entriesSometimesNot typically, and not purpose-typed
OneTrust / TrustArc request-status trackingNo - workflow status, not a custody eventStatus flag, not a cryptographic reference
JIL destruction certificateYes - same custody ledger as all evidentiary eventsYes - identifier written back onto request row

Patent Claim

Independent Claim 148: A computer-implemented method for certifying destruction of data in connection with a data-subject erasure request comprising: upon execution of a suppression or destruction operation corresponding to an erasure request, writing a typed destruction event into a chain-of-custody event ledger, the event identifying at least two actors whose approval authorized the operation and a timestamp of execution; and writing an identifier of the resulting chain-of-custody event back onto a record corresponding to the originating erasure request, such that the erasure-request record carries a permanent, independently verifiable reference to a tamper-evident custody-chain entry documenting the destruction, without requiring generation or storage of a separate destruction-certificate artifact.