Chama

Recording by Hamilton De Holanda.

Recording identifiers

ISRC
BR56L1900009
CopyrightID (CopyrightChains transaction hash)
0x195f171702012ee3f0a9be74b46c9a84d17e5a13b3b01c5d8f34b4054f8b6100
Copyright registration time
2026-07-31T04:26:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T05:17:02Z
Bitcoin block
960348
Canonical record hash
sha256:bc239df18dbcad63083609f38f1851d84be6bdd0fe8d948faf38d51921440d6e

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.