Björnen sover

Recording by Blåsbus 1 tvärflöjt.

Recording identifiers

ISRC
SE5BW1300719
CopyrightID (CopyrightChains transaction hash)
0xf604940f271c5508a53f75760cfa3434da4fde1b955fae9ab78b40d2834461ad
Copyright registration time
2026-07-31T04:36:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T05:17:02Z
Bitcoin block
960348
Canonical record hash
sha256:7b5ae2d92dec307bccb7c5604ad56ca4047908391953233e32f01978065bb448

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.