Quintettino: III. Massig

Recording by Arvo Pärt.

Recording identifiers

ISRC
SEAEN0332080
CopyrightID (CopyrightChains transaction hash)
0x540340de5dbd0647f08a462e7ce20d0e3ad58272a5b81a279323e34f383b01cb
Copyright registration time
2026-07-07T14:38:29+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:925e442f1552239250d056ce6cd18ee8a2ce0ab889a501eb10da8285ac7697c8

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.