T.Fest

Recording by 馬場智章.

Recording identifiers

ISRC
JPY222100062
CopyrightID (CopyrightChains transaction hash)
0x78515c834a332ba9c2c139702ccc40e9a16cbb9b3644932a808017a5b492fa91
Copyright registration time
2026-07-30T18:29:45+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T18:46:00Z
Bitcoin block
960294
Canonical record hash
sha256:ba7e7cd40b40fcdb55be781285c9f9e2044a2d6b5e1f02bd5c2cadb8fa7622ed

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.