ISRC DEF056131201
Verified recording
DEF056131201 is “Requiem, K. 626: IIIf. Lacrimosa” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x932e0a523d74b6544cc35b8a05e4ca85a368601420fdfb01ead3444ee4e77464 and independently timestamped
in Bitcoin block 953528 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056131201.
Recording identifiers
- ISRC
- DEF056131201
- Title
- Requiem, K. 626: IIIf. Lacrimosa
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x932e0a523d74b6544cc35b8a05e4ca85a368601420fdfb01ead3444ee4e77464
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T15:41:10+00:00
- Bitcoin block
- 953528
- Canonical record hash
sha256:5f41d5d1a014835a8c15c103ceb40ccba9a33a7b0d51b2be4673cf0727a27fcc- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056131201
- Bitcoin block existence check
- https://blockstream.info/api/block/953528
Full record
Track page: Requiem, K. 626: IIIf. Lacrimosa · Machine-readable JSON-LD