Witness

Recording by Cerf.

Recording identifiers

ISRC
NLF711202279
CopyrightID (CopyrightChains transaction hash)
0x1dd15429b1fe6a76dd70ecf9dd46ebdf1a6ac3dd7a9ae574ec6068e268ce062e
Copyright registration time
2026-06-07T06:20:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:031f87c507a5a237a2cfd25352e9f669ffea89bbcdb8e815e450d56da104a5ae

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.