Tár: II. Allegro

Recording by Hildur Guðnadóttir.

Recording identifiers

ISRC
USQ4E2201065
CopyrightID (CopyrightChains transaction hash)
0x72d7715bd5e80b225b5fa9dbad695e0308074dca67cf5ff612e0c8f7736d7306
Copyright registration time
2026-06-21T20:54:31+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:a2106a669cfbbdbfef8e79c98f53e5114047b38cde9d1c0f1256ddd9602cba23

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.