Sweef

Recording by Jan Bloukaas.

Recording identifiers

ISRC
ZACN42101729
CopyrightID (CopyrightChains transaction hash)
0x7f0957e1c481a1b7bd42a7bbac3b99f63196223d46695334a0eb38c8418dd049
Copyright registration time
2026-06-04T13:20:12+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:bcbda873a216064536506757478d2a6202d8859ca67557c3c54467d701d21e59

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.