Hello and Good-bye

Recording by 伊勢陽詩(cv.永木さくら).

Recording identifiers

ISRC
JPK632103841
CopyrightID (CopyrightChains transaction hash)
0x4c5f91b805e871d0e890e537edb3e614cb873a89e5784fd752f20caf02d4c645
Copyright registration time
2026-07-31T15:19:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T16:07:24Z
Bitcoin block
960429
Canonical record hash
sha256:c3600782a7fbbe4a7565e34ed5ba09eb74641774838ab7724447489aed93c216

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.