Björnen sover

Recording by Anna & Barnkören.

Recording identifiers

ISRC
SE37J1504492
CopyrightID (CopyrightChains transaction hash)
0x1fa485a2180ad23f23d24633630dc404faca95ac76b9476245a8821204909eae
Copyright registration time
2026-06-06T20:48:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T18:50:38Z
Bitcoin block
957075
Canonical record hash
sha256:dbf557f19c59c4d60e12d18b193331f20cc16759fa63a5fbf640c8e1b61fdf88

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.