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