ISRC GBUM70814377
Verified recording
GBUM70814377 is “Requiem in D minor, K.626: 3. Sequentia: Lacrimosa” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xf7a08aefac5a74284c9e4b3f013fc3cf4bfc9f1c22db84dcb9af48403b612e03 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBUM70814377.
Recording identifiers
- ISRC
- GBUM70814377
- Title
- Requiem in D minor, K.626: 3. Sequentia: Lacrimosa
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xf7a08aefac5a74284c9e4b3f013fc3cf4bfc9f1c22db84dcb9af48403b612e03
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:68942a40afa4f22e242afd54ccce550df846919663867df29eb216465fcdbae7- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBUM70814377
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Requiem in D minor, K.626: 3. Sequentia: Lacrimosa · Machine-readable JSON-LD