The Mariner’s Last Waltz

Recording by Helen Keeling-Marston.

Recording identifiers

ISRC
UKYBG2300022
CopyrightID (CopyrightChains transaction hash)
0x3fcf615a0578f27fe8e3ace54905a9e25c9e853b53a989eed0afd7787d1cdbc7
Copyright registration time
2026-06-07T05:56:18+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:f076c1b6605d2944ef871532f0ee149dd6e6ca6768c6259c35819169ef9dcf17

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.