ISRC CALC41100340
Verified recording
CALC41100340 is “Tres Sonetos: Que contiene una fantasía contenta con amor decente (Soneto 165)” by Michael Oesterle,
registered on the CopyrightChains blockchain with CopyrightID
0x8c95a3752e396dc440df01b882c18df426af29423e9b3fee0c2553bbbdbe2696 and independently timestamped
in Bitcoin block 960459 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CALC41100340.
Recording identifiers
- ISRC
- CALC41100340
- Title
- Tres Sonetos: Que contiene una fantasía contenta con amor decente (Soneto 165)
- Artist
- Michael Oesterle
- CopyrightID (CopyrightChains transaction hash)
0x8c95a3752e396dc440df01b882c18df426af29423e9b3fee0c2553bbbdbe2696
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T20:22:46+00:00
- Bitcoin block
- 960459
- Canonical record hash
sha256:070d426602f080a3b074b301e589dcf8e6590b018bfdd2bd3fa5440a63916978- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CALC41100340
- Bitcoin block existence check
- https://blockstream.info/api/block/960459
Full record
Track page: Tres Sonetos: Que contiene una fantasía contenta con amor decente (Soneto 165) · Machine-readable JSON-LD