Yes-No

Recording by Off Course.

Recording identifiers

ISRC
JPTO00500129
CopyrightID (CopyrightChains transaction hash)
0xe1d81acb9b8b81acf51528d4a0a4d7c1d39b51bf630015a0a33fcdd9aa76f063
Copyright registration time
2026-06-07T10:17:23+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:5e3c8fda4bbfa198dd91d45a47db029593819a1df9d29f71afb46f3cebb92b6a

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.