For Petra - Recording Session

Recording by Hildur Guðnadóttir.

Recording identifiers

ISRC
USQ4E2201062
CopyrightID (CopyrightChains transaction hash)
0xc9626fab4b96f64ab730bdbce3b7ff06c4e611063a4d0e94d7b20dd799339b98
Copyright registration time
2026-06-21T20:56:43+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:d78f6e327ecfbce2eb444b833757fe31ed4d778e2ce0679f40aefacd6b85650e

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.