Blunt de Ouro

Recording by PTK.

Recording identifiers

ISRC
BCDFI2300096
CopyrightID (CopyrightChains transaction hash)
0x259803db8659e69fb2ffaff3f0515eebf0190562527413823748cc458f2b18d1
Copyright registration time
2026-06-25T12:08:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:5ae64c9177d144084968fbc996ecc92893427e064f47c2b6248b32edeae24391

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.