Sing it back

Recording by Marta.

Recording identifiers

ISRC
PTFA11001434
CopyrightID (CopyrightChains transaction hash)
0xb62ab6abde8cfd67da1ffa1d9d1ccb90e1ba2678ebd8e2f1625170cda988a8dd
Copyright registration time
2026-07-29T10:15:26+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T11:07:37Z
Bitcoin block
960095
Canonical record hash
sha256:c7953608e9c332fb98f76451d42f08fdff0a72f3943115d6b812f5645d527263

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.