First Cut Is the Deepest

Recording by Martin Ermen.

Recording identifiers

ISRC
DEE470901206
CopyrightID (CopyrightChains transaction hash)
0x461a218e51b11ed2c42c8a54aad0495b0fb6c4ada83890d819e856f6f62d729e
Copyright registration time
2026-06-28T05:31:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T18:39:05Z
Bitcoin block
957073
Canonical record hash
sha256:60620020e2f8190a6e19d7313bf656e42e20efc8e60cf707a652c2f0e78c03ca

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.