ISRC DEF057530011
Verified recording
DEF057530011 is “Requiem, K. 626: V. Sanctus - Recorded 1975” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xe3f8886841ee37de9cf48686bac57d8c27eec8f1c10f0b303baf48aa794f4118 and independently timestamped
in Bitcoin block 960144 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057530011.
Recording identifiers
- ISRC
- DEF057530011
- Title
- Requiem, K. 626: V. Sanctus - Recorded 1975
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xe3f8886841ee37de9cf48686bac57d8c27eec8f1c10f0b303baf48aa794f4118
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T21:09:47+00:00
- Bitcoin block
- 960144
- Canonical record hash
sha256:4e48cbabe00e165d03a3839c3404392931fc1482e6d56f359e9993935b12348c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057530011
- Bitcoin block existence check
- https://blockstream.info/api/block/960144
Full record
Track page: Requiem, K. 626: V. Sanctus - Recorded 1975 · Machine-readable JSON-LD