Because

Recording by DAVID GRISMAN QUINTET.

Recording identifiers

ISRC
USAD49900600
CopyrightID (CopyrightChains transaction hash)
0x44e802116d2ebb5b68a4675859aa302356d884b7b3cf69c7a96180069a605dae
Copyright registration time
2026-07-06T03:45:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T07:16:32Z
Bitcoin block
956891
Canonical record hash
sha256:32c090dde43b0b20784186956059ea559872a3f5ef8417ac36b1f90fb3cd8d6d

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.