Tentativa

Recording by Márcio Greyck.

Recording identifiers

ISRC
BRC4M1902625
CopyrightID (CopyrightChains transaction hash)
0x2044a66f49959a93ea398aa7f194f7c50af0188c50ac7091a6e5c0187557649a
Copyright registration time
2026-06-07T22:27:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:b41300c9da760da0b87a8c3dd02a05813384314064c56ec98ebcc7908624e17a

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.