Tommy's Time

Recording by John Coltrane.

Recording identifiers

ISRC
GBACF2115905
CopyrightID (CopyrightChains transaction hash)
0x9f5d66cc3c49d35669022329379f7ddac02c1209284c20a6954b553cdc0ae15b
Copyright registration time
2026-07-30T15:54:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T17:26:40Z
Bitcoin block
960285
Canonical record hash
sha256:b70245deb227651e6078cd93a0a7c51c5eedafb6de79fc384824d0e44d9089a6

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.