J'en doute

Recording by Zbig.

Recording identifiers

ISRC
TCAHM2301109
CopyrightID (CopyrightChains transaction hash)
0xef8371346edcac02e884dac7de5ee5713ad909e846ee46394dfa843df3fc19ac
Copyright registration time
2026-06-18T06:40:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:3f2b655b930dc31f1f06656a4ebcbcfac4783baf45ef9c021fd28d9c5249a131

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.