One More Time

Recording by Jan Metternich.

Recording identifiers

ISRC
QZFZ62316980
CopyrightID (CopyrightChains transaction hash)
0xb374e4e2ecde7cadd6da5d1e3bd6c8b552690bd8f45f6614f943559bfe9a4378
Copyright registration time
2026-06-04T08:23:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:32f9acfe193388b8576cad4aaae93f91b3bc29bdc46f63e4c20f539c232d381c

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.