ISRC DEF056102720
Verified recording
DEF056102720 is “Tosca / Act 3: "Und es blitzten die Sterne"” by Giacomo Puccini,
registered on the CopyrightChains blockchain with CopyrightID
0x1db0dddd09c32325a54ffa4cec4860099c6111cd52117da91efd7286e93d822a and independently timestamped
in Bitcoin block 960455 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056102720.
Recording identifiers
- ISRC
- DEF056102720
- Title
- Tosca / Act 3: "Und es blitzten die Sterne"
- Artist
- Giacomo Puccini
- CopyrightID (CopyrightChains transaction hash)
0x1db0dddd09c32325a54ffa4cec4860099c6111cd52117da91efd7286e93d822a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T19:53:13+00:00
- Bitcoin block
- 960455
- Canonical record hash
sha256:6ee1100972014b129dbf0695be9a0f7fd18f61798807efe0d7e49e7630f33894- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056102720
- Bitcoin block existence check
- https://blockstream.info/api/block/960455
Full record
Track page: Tosca / Act 3: "Und es blitzten die Sterne" · Machine-readable JSON-LD