Creol Jazz

Recording by Contrabass: Karel Vejvoda.

Recording identifiers

ISRC
DER750623608
CopyrightID (CopyrightChains transaction hash)
0x57112b1d8aa54bc60ed5d1f35b5c370701c954427492aaa4931e7eda44a1b4b0
Copyright registration time
2026-07-30T00:46:54+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T01:10:20Z
Bitcoin block
960183
Canonical record hash
sha256:2c72b7062d2c2b00d71d9c00729c9cceb96290a2bd02b5533f2406a056b26bb7

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.