Samba Blues

Recording by Hamilton De Holanda.

Recording identifiers

ISRC
BR56L1900006
CopyrightID (CopyrightChains transaction hash)
0x08e32ba437f525ac2990fa859b0f7553ffb0d4d58dc8ac113740622959a3b3ab
Copyright registration time
2026-07-30T09:03:54+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T09:37:10Z
Bitcoin block
960236
Canonical record hash
sha256:cc6bc1227770cadac81db045a78d58163fc124852b98f5ae4f60f72045a11899

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.