Sandpapir

Recording by Sys Bjerre.

Recording identifiers

ISRC
DKUM70801169
CopyrightID (CopyrightChains transaction hash)
0x816d3e86f13df63077aac29f08d27a0e013f05733889db5256a65bb1303a49af
Copyright registration time
2026-06-19T17:08:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:a50d0aecbc32ec0bac7cfc1b4af7a192502908e49a8592039420a2e79475b27b

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.