Symphony No. 5: IV. Machine

Recording by William Bolcom.

Recording identifiers

ISRC
FINDE9700011
CopyrightID (CopyrightChains transaction hash)
0x3516f8dfcedc530fe435ea171ac864be0bb52a382f15b26f30d9b1d5946e030e
Copyright registration time
2026-07-31T19:07:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T19:53:13Z
Bitcoin block
960455
Canonical record hash
sha256:813905c4896f6c6754f7fb2c04f98164080985046adbe1cf3775c44e8cbe06c1

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.