Octagon

Recording by Hamada.

Recording identifiers

ISRC
DEA621900980
CopyrightID (CopyrightChains transaction hash)
0x734d20bda639632edc6a0482482808ceaebf45f8528e84ef1cd4c4f3786c45aa
Copyright registration time
2026-06-07T03:51:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:0bd8b28f232be3853e3742818f420428bcace25796b679a01d3ab39bf9756afa

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.