Tra Tra

Recording by Metrika.

Recording identifiers

ISRC
ES18B2101611
CopyrightID (CopyrightChains transaction hash)
0x3b5f21038b3d46804156eeee06ad3e0482f039b8cba8b5ad40b0a071cc8223f1
Copyright registration time
2026-06-10T20:56:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:201146a9cc0509c8b44c08b45fd81055d1d4bb4d8cddbbc610381f53754f8e52

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.