El Matador

Recording by Don Pullen.

Recording identifiers

ISRC
USBN29300036
CopyrightID (CopyrightChains transaction hash)
0x02ccbfd3c2d9e916fb73e1e96187d0ad0a048a674d94fbc921589a770a5138ac
Copyright registration time
2026-07-31T02:08:18+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T02:51:48Z
Bitcoin block
960337
Canonical record hash
sha256:ba51f523d411eb6661ea1bf7e6b48e0aa5d03d53829bb3f1502423467424d99a

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.