Cartilha

Recording by Jorge Vercillo.

Recording identifiers

ISRC
BREMI0701169
CopyrightID (CopyrightChains transaction hash)
0x293de78fea6ac8d1049ce6a4cb738fc091559cbca979087faabfc2b9d0db51c7
Copyright registration time
2026-06-20T11:51:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:95e48b1d55917af837515be11ac0e2f9bc7441d36e7593399ac7d4d9650f40d5

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.