Promise

Recording by Matchbook Romance.

Recording identifiers

ISRC
USEP40373104
CopyrightID (CopyrightChains transaction hash)
0xa12c702c34bd2642b18ca989133a25933b990ce84e8e6b969c67c2627ce6b139
Copyright registration time
2026-06-25T16:48:01+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:10febe2becbdeeca1668c5baaaa23182ddc07dbd1af786ad5152e692ae1f070d

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.