A Escola e a Bola

Recording by Hamilton De Holanda.

Recording identifiers

ISRC
BR56L1500002
CopyrightID (CopyrightChains transaction hash)
0x9a767152386af66e6fcfb20c8c475c0d8c89455ad55deab5fc78c8583d9a85dd
Copyright registration time
2026-07-29T21:35:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T21:51:49Z
Bitcoin block
960150
Canonical record hash
sha256:01b00bee40099be670d73b0446b40b58ffa4120d80b85f43733ae10fbd4bd8a5

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.