A Puro Dolor

Recording by Son By Four.

Recording identifiers

ISRC
USSD19905464
CopyrightID (CopyrightChains transaction hash)
0x7ae9a9f868cb9e9e1f9cfa3bb701fb55cc46e61160b4e6c5249b98294101b3ba
Copyright registration time
2026-06-04T06:41:07+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:34d5ded5913085dfa991edbfbc021695e3276066dc9f79359bbda9076393f82b

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.