Ya Mar

Recording by Leo Kottke.

Recording identifiers

ISRC
USV110500229
CopyrightID (CopyrightChains transaction hash)
0xcaf868128ebab62bc642662011377f34d37d6774de111c683cf973cc9b87264a
Copyright registration time
2026-06-07T23:08:57+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:3427685b17fa07b4a1f039d51568ff76d6ccb44aafedb3f62a2431e3d662bc12

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.