Retrograde

Recording by Yaron Herman.

Recording identifiers

ISRC
FRUM71500029
CopyrightID (CopyrightChains transaction hash)
0xb7dec8ecc2ce52463d5a9bdfa51689e79f660ce8dba35b57c585da46765969da
Copyright registration time
2026-06-06T18:32:18+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:e887c096fac2df818b10a87127ac088a0d0abdf7116f9c566c6d273ac490a794

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.