Bluebird

Recording by Buffalo Springfield.

Recording identifiers

ISRC
USEW20000320
CopyrightID (CopyrightChains transaction hash)
0xeef2e15f98af713eb6871cf5d6ada6dc9b2c424b4bfabd223dbff03f954ccb30
Copyright registration time
2026-06-04T14:15:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:5418301b55063a5b73d8abffeba73fbbc891f8e9a94a35b324f416566b3f8a01

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.