Dá pena

Recording by Chico César.

Recording identifiers

ISRC
BRSPC2100013
CopyrightID (CopyrightChains transaction hash)
0xed903a0828abd29ee8e8a40f7563c2cdf5ef66d26d13aa58ea3b583768d1bcd4
Copyright registration time
2026-06-24T10:22:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:6f562d1de578cde362f3916700b803da6a3ba14be534422e00848eb38cad7356

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.