Blue Bird - from CrosSing

Recording by Maaya Uchida.

Recording identifiers

ISRC
JPPC02111873
CopyrightID (CopyrightChains transaction hash)
0xebccf64dd169b1fa7ba61bd31b727428eaccdaa8bb6ab3abc2f88722d165eb30
Copyright registration time
2026-06-11T06:04:08+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T17:25:41Z
Bitcoin block
953536
Canonical record hash
sha256:8183cf0b4386c4b863eb218f62fba566bce6a97870d907bab4ea9566b923014c

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.