A Sleeping Bee

Recording by Bill Evans.

Recording identifiers

ISRC
USPR36301931
CopyrightID (CopyrightChains transaction hash)
0xe2f99df5eb4990ae778224d4dad72670990183a633392e9e07ec83dc8d754501
Copyright registration time
2026-07-03T00:50:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:ba60425c7b2e98fc51a8981370e58830335faf91bd997d387ec7287335d81f56

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.