Round Trip

Recording by COSA NOSTRA.

Recording identifiers

ISRC
JPTF09614701
CopyrightID (CopyrightChains transaction hash)
0x8f42f703d94c54ac20eae1a03a15ecd9b59ae7700deba022530781d9a974e59e
Copyright registration time
2026-07-31T21:33:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T23:30:38Z
Bitcoin block
960478
Canonical record hash
sha256:aa847ff050f866c59d7b9b556cdb1094ef127597d4cde3c566d72ede1c7aff61

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.