Improvisation PT. 8

Recording by Otomo Yoshihide's New Jazz Quintet.

Recording identifiers

ISRC
ATD410002010
CopyrightID (CopyrightChains transaction hash)
0x814e7fa1179e5a20ed72deff4aaedf75333ca635a169437f36089911ad75819f
Copyright registration time
2026-07-30T20:44:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T21:00:46Z
Bitcoin block
960314
Canonical record hash
sha256:2ccd365aea5dbe99c0a93821dd8ff166d9d6ad6d47c7a5154d10b2f8c139bad9

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.