Symphony No. 3, Op. 36: I. Lento - Sostenuto Tranquillo Ma Cantabile

Recording by Henryk Górecki.

Recording identifiers

ISRC
USN019228201
CopyrightID (CopyrightChains transaction hash)
0x295bfa60b1f53563cdcdf2ab959eb6b8fa55e7b9cdafb29fd5da3f6ca84440b6
Copyright registration time
2026-06-05T17:20:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:c015417cea52e886469dc1be94797bbf1fdc38639b754a5143325cce9595da6c

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.