Sentimental

Recording by Kosei.

Recording identifiers

ISRC
QZTB22205089
CopyrightID (CopyrightChains transaction hash)
0x20f34dddd97f34ac10186dae5d9a8d477c4cd7f4ef12dc9c7e061ab51826d13a
Copyright registration time
2026-06-20T10:15:57+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:9fc5ab9add7bcaf2d74b3307bee445322fa35a78386b24b3187718153a3302ea

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.