The Caisson Song

Recording by Edmund L Gruber.

Recording identifiers

ISRC
USA5R1430134
CopyrightID (CopyrightChains transaction hash)
0x2505811ce22185011da7ce9082fd65dd9d795e38d058d553cd1da669b0b3b0f2
Copyright registration time
2026-07-07T10:42:34+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:dcf434f10867983fece33fe265a6bcf950565ad0cb347b69c0a0f7f87c049dc1

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.