A Thought

Recording by Efrat Ben Zur.

Recording identifiers

ISRC
IL4040100200
CopyrightID (CopyrightChains transaction hash)
0x0ac161dc7aad719c587fc66647337d6cd44f0672cc5c58df812bc28b35260191
Copyright registration time
2026-07-31T16:55:34+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T17:29:52Z
Bitcoin block
960441
Canonical record hash
sha256:f4166468154b086c50968cb73dcd12c5dfffd50847a3215be9773ce79ec1e8be

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.