Jammin'

Recording by Yu Sakai.

Recording identifiers

ISRC
JPPO02303859
CopyrightID (CopyrightChains transaction hash)
0x5bf9c31fee55bc72d5e3590e1411fb7cf8856860d0e8bb5ebedc30809a8f15a9
Copyright registration time
2026-07-07T19:50:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T08:56:20Z
Bitcoin block
957145
Canonical record hash
sha256:968ed52b75a96c885472ddec48b525eb5b12389f142cadfa0922c3c04f2d0736

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.