Rétrospection

Recording by Pat D.

Recording identifiers

ISRC
FR6V80989553
CopyrightID (CopyrightChains transaction hash)
0xa04f8d95aa1bb8688b225cf53d159613089a52d3b38b9dcf853a9d81de2c0911
Copyright registration time
2026-06-10T21:10:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:6069e69c4614506afb88d8e05ac794a7d102709a642b70712e6eee5bcb1bb808

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.