Circling

Recording by Tord Gustavsen Quartet.

Recording identifiers

ISRC
DEB331123705
CopyrightID (CopyrightChains transaction hash)
0x0621cf8d3646088d4fa4bfab6c7f8d0cf5e866f3ee80f5328df27cb7bf8eb88a
Copyright registration time
2026-06-07T12:40:01+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:76bfa5af234bce8763edc477edb718a16d968aa9b8ceed05f4fa93fa30366b2e

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.