Symphony No. 3, Op. 36: II. Lento e Largo - Tranquillissimo

Recording by Henryk Górecki.

Recording identifiers

ISRC
USN019228202
CopyrightID (CopyrightChains transaction hash)
0x6a4466450785ef3c0b162763ea437dc277d94fef794c9979fbde369d37d51c72
Copyright registration time
2026-06-04T16:22:03+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:25cea6a16a2045fdcf1b0a48c386fd8bc68513234fe11fc8f580e426efc74382

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.