Quarter Notes

Recording by Blåsbus 1 tvärflöjt.

Recording identifiers

ISRC
SE5BW1300705
CopyrightID (CopyrightChains transaction hash)
0x508bfdf47d4876a4841c4db07be117aa8ac3e9911fc54259f2dad8695cad07f1
Copyright registration time
2026-07-07T05:35:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:9717efe7a8ae8b297553e7b2e74f54dc8c49f90a6048a21f5cee1fb59956147c

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.