Times Curve Prelude No. 17

Recording by William Duckworth.

Recording identifiers

ISRC
FRV731701258
CopyrightID (CopyrightChains transaction hash)
0x774f7e3e785f217fc98e37e3eba8a5103334acbeb27added9520d3da9e258360
Copyright registration time
2026-06-19T13:23:17+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:49bac42ec1a7b80b3c161a0ae36cf4a6089431fc24668c7b8916870fb325d631

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.