ISRC DEF059602940
Verified recording
DEF059602940 is “Passacaglia-Grave in B flat major” by Ruprecht Ignaz Mayr,
registered on the CopyrightChains blockchain with CopyrightID
0x99db08cdd19e7ffe2accdceef9a17db963011dd6df0f0a36e5b885e536f42952 and independently timestamped
in Bitcoin block 960254 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059602940.
Recording identifiers
- ISRC
- DEF059602940
- Title
- Passacaglia-Grave in B flat major
- Artist
- Ruprecht Ignaz Mayr
- CopyrightID (CopyrightChains transaction hash)
0x99db08cdd19e7ffe2accdceef9a17db963011dd6df0f0a36e5b885e536f42952
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T12:06:10+00:00
- Bitcoin block
- 960254
- Canonical record hash
sha256:305b6b79b9766c67d522496f1dec41eb179e6d488c0473a64369996cffb6069c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059602940
- Bitcoin block existence check
- https://blockstream.info/api/block/960254
Full record
Track page: Passacaglia-Grave in B flat major · Machine-readable JSON-LD