Song of Farewell

Recording by OCP Choir.

Recording identifiers

ISRC
USA4N1600316
CopyrightID (CopyrightChains transaction hash)
0xd778c5290e8a63cb5328a47637677e7219c32f5ec553f3dbc40e85d525a7726c
Copyright registration time
2026-07-31T17:38:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T18:48:12Z
Bitcoin block
960448
Canonical record hash
sha256:6e988403b5798ba67a9f9b6a9ebf03621f7a9312a7f86a2d5dcf7087ac3239d6

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.