Cross Off

Recording by Mark Morton.

Recording identifiers

ISRC
GBUM71807295
CopyrightID (CopyrightChains transaction hash)
0x811a923c8669552aa70444714dee264a8d2bf19651f483c1372c1bde61908cd7
Copyright registration time
2026-06-04T06:41:15+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:3c9c2d7a3e1a9ed6e1f825ce6d57ca4bfa3aed2c5b4c4fe8172353fd9560108d

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.