Matematica

Recording by Egreen.

Recording identifiers

ISRC
ITOBG2200002
CopyrightID (CopyrightChains transaction hash)
0x1665f701d894718f629e13942fcdcff8e8fa37db3669cb6a067d08af4d7e4e59
Copyright registration time
2026-06-08T21:38:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:79c1b9cc03660d11676db9edb90a7f33db83f77429d9b288c8e3ff3fafff53fa

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.