Calma

Recording by MARTIN.

Recording identifiers

ISRC
GX53U2594767
CopyrightID (CopyrightChains transaction hash)
0x724bfeb0c2f2067c54a44e455a3c4caa50a5408325a49e191db0b4aef3dbbfaa
Copyright registration time
2026-06-06T15:18:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:4ae74dcbca5d3a741d1e3627b6bc8a903ab869465add388d424e56b5673c81ad

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.