Helena Hangover

Recording by Mark May.

Recording identifiers

ISRC
USASN0542212
CopyrightID (CopyrightChains transaction hash)
0x3ec8c755fb4700f07ead947c46b4bed61d8759024ee30603cb0ac52434dc8589
Copyright registration time
2026-07-06T23:13:43+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:83c66b2b25b1f6bef11c84811780f104a42d2129d70e0667a117de683603299a

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.