The One That Was Lost

Recording by Cathal Hayden.

Recording identifiers

ISRC
US6860500289
CopyrightID (CopyrightChains transaction hash)
0x4e181824e460f9ac60a97b5131a7f1f2461fb0f7e70ce464df1f33d17f13f4ed
Copyright registration time
2026-06-27T18:10:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:06dec74b9ec7b5e3f37373e87504f3df269c69efddcc1f3018dba84d8bc55898

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.