Sayonara

Recording by Itoko Toma.

Recording identifiers

ISRC
JPT552200195
CopyrightID (CopyrightChains transaction hash)
0x429bf20003e7ee8a1c43fc7829587fd5d99fb4af50b15c7bd65ed93326226d2a
Copyright registration time
2026-06-18T13:03:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:51ee44a77d5bf94d2177e79a775d8b7bc3ff8ab42f03e4da90f786052378003e

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.