ISRC DEL111301653
Verified recording
DEL111301653 is “Tonadilla (arr. G. Cassado for cello and piano)” by Blas De Laserna,
registered on the CopyrightChains blockchain with CopyrightID
0x0838e3053d6e9e8996b138afff46789ceaa7414e89865733a4db189a9c24064b and independently timestamped
in Bitcoin block 960422 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEL111301653.
Recording identifiers
- ISRC
- DEL111301653
- Title
- Tonadilla (arr. G. Cassado for cello and piano)
- Artist
- Blas De Laserna
- CopyrightID (CopyrightChains transaction hash)
0x0838e3053d6e9e8996b138afff46789ceaa7414e89865733a4db189a9c24064b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T15:27:29+00:00
- Bitcoin block
- 960422
- Canonical record hash
sha256:9b86859cba0e7208e2171c62505acb1f2a13290838f3cd69adee72ab2a18c22c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEL111301653
- Bitcoin block existence check
- https://blockstream.info/api/block/960422
Full record
Track page: Tonadilla (arr. G. Cassado for cello and piano) · Machine-readable JSON-LD