Time Pieces, Op. 43: IV. Introduction. Andante molto

Recording by Robert Muczynski.

Recording identifiers

ISRC
GBLWD1401213
CopyrightID (CopyrightChains transaction hash)
0x9db4ebdf872b229de51dd292926f6f1bca51f55b924772d863eb51e4a65d0b9c
Copyright registration time
2026-07-07T07:16:34+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:f7be5fc0947d2049211e2862e68751543f05b4965130dc828a9a4d923d82fa4f

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.