The Lost Reef

Recording by Mark Watson.

Recording identifiers

ISRC
ES27C1030110
CopyrightID (CopyrightChains transaction hash)
0xa9e25c45770c2dbf726a982d9928ef1ab59a5ecca075c797a9e04b84b68cf3b0
Copyright registration time
2026-07-31T07:43:02+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T08:26:41Z
Bitcoin block
960368
Canonical record hash
sha256:3c981efb880848d33a297eec07ded4a43c815a4b1cc55c10cd22d88809eb81ce

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.