Por Nada

Recording by Gilberto Santa Rosa.

Recording identifiers

ISRC
USSD19700611
CopyrightID (CopyrightChains transaction hash)
0x617462bf78ad241788859cef52c39effc85033a7afff71eae2bc330e3da94e30
Copyright registration time
2026-07-29T23:53:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T00:11:40Z
Bitcoin block
960173
Canonical record hash
sha256:ae0dfac48765d948ce1a0df20b2925d25ad0f107c20a2dad0513db53b2e7977e

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.