21

Recording by Os Arrais.

Recording identifiers

ISRC
BRTD91300001
CopyrightID (CopyrightChains transaction hash)
0xc5fdf71512841bec7821e89abad1971ef04684cb8a516f43a36850f599ab512e
Copyright registration time
2026-06-05T21:44:57+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T08:56:20Z
Bitcoin block
957145
Canonical record hash
sha256:49c87c084552c08b145b86d78c7a77844f7f3470422dcda5699bc1c5a62b9f64

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.