ISRC GBF079140911
Verified recording
GBF079140911 is “Requiem, K. 626 (Ed. Robbins Landon): Offertorium. Prayer Over the Gifts (Spoken) - Live at Stephansdom, Vienna, 1991” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x216647b2523ac2877ff07fff89e469c812e35f5203408efe476a20205ec780ff and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079140911.
Recording identifiers
- ISRC
- GBF079140911
- Title
- Requiem, K. 626 (Ed. Robbins Landon): Offertorium. Prayer Over the Gifts (Spoken) - Live at Stephansdom, Vienna, 1991
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x216647b2523ac2877ff07fff89e469c812e35f5203408efe476a20205ec780ff
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:31c791cc42780341c2e1146e19e2fa84a2dda5feb8ae12a335080c9d1867cad9- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079140911
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Requiem, K. 626 (Ed. Robbins Landon): Offertorium. Prayer Over the Gifts (Spoken) - Live at Stephansdom, Vienna, 1991 · Machine-readable JSON-LD