ISRC CALC40900011
Verified recording
CALC40900011 is “Crwth ("Welsh String Instrument")” by Sean Dagher,
registered on the CopyrightChains blockchain with CopyrightID
0x956a86ae000cd41f6ea81c0b2247da748c0dab7df6db5407e3d3395467076451 and independently timestamped
in Bitcoin block 960473 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CALC40900011.
Recording identifiers
- ISRC
- CALC40900011
- Title
- Crwth ("Welsh String Instrument")
- Artist
- Sean Dagher
- CopyrightID (CopyrightChains transaction hash)
0x956a86ae000cd41f6ea81c0b2247da748c0dab7df6db5407e3d3395467076451
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T22:27:44+00:00
- Bitcoin block
- 960473
- Canonical record hash
sha256:bfc3e61d8abd644633d232ec7a081c14fe66266a18bfb5c22137940f4986cf66- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CALC40900011
- Bitcoin block existence check
- https://blockstream.info/api/block/960473
Full record
Track page: Crwth ("Welsh String Instrument") · Machine-readable JSON-LD