ISRC DEF055930005
Verified recording
DEF055930005 is “Requiem, Op. 89, B. 165, Pt. 1: V. Quid sum miser” by Antonín Dvořák,
registered on the CopyrightChains blockchain with CopyrightID
0xf43e3955131870d480da0ac3bed6256471bc2e456f94b70d6d6af87f5a7c2151 and independently timestamped
in Bitcoin block 960403 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF055930005.
Recording identifiers
- ISRC
- DEF055930005
- Title
- Requiem, Op. 89, B. 165, Pt. 1: V. Quid sum miser
- Artist
- Antonín Dvořák
- CopyrightID (CopyrightChains transaction hash)
0xf43e3955131870d480da0ac3bed6256471bc2e456f94b70d6d6af87f5a7c2151
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T13:04:34+00:00
- Bitcoin block
- 960403
- Canonical record hash
sha256:1871658b7dc794fb48796576e08272c0d79756d0593bef2add547355049e8d9c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF055930005
- Bitcoin block existence check
- https://blockstream.info/api/block/960403
Full record
Track page: Requiem, Op. 89, B. 165, Pt. 1: V. Quid sum miser · Machine-readable JSON-LD