La deux hérons

Recording by Martin Léon.

Recording identifiers

ISRC
CAL541012807
CopyrightID (CopyrightChains transaction hash)
0x1a3116b01ded55176aa174756bff8fcd073d37c72233d573281dff53cccb2ab1
Copyright registration time
2026-06-25T01:20:12+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:a70f2217d8a18c73e07d11d87187a0f269def466836685c956d74edceb814a78

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.