ISRC CALC41100338
Verified recording
CALC41100338 is “Tres Sonetos: En que satisface un recelo con la retórica del Ilanto (Soneto 164)” by Michael Oesterle,
registered on the CopyrightChains blockchain with CopyrightID
0x7766b57342dc0f5ee447b5e5888a4fb278ed399e7d4f84e3fef1283fcd2ca1bd and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CALC41100338.
Recording identifiers
- ISRC
- CALC41100338
- Title
- Tres Sonetos: En que satisface un recelo con la retórica del Ilanto (Soneto 164)
- Artist
- Michael Oesterle
- CopyrightID (CopyrightChains transaction hash)
0x7766b57342dc0f5ee447b5e5888a4fb278ed399e7d4f84e3fef1283fcd2ca1bd
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:bf77648a0b218301fab6777514dc81ab5d3779fdd11fbf5748df10c2d3d890c6- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CALC41100338
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: Tres Sonetos: En que satisface un recelo con la retórica del Ilanto (Soneto 164) · Machine-readable JSON-LD