ISRC DEL290400128
Verified recording
DEL290400128 is “String Quartet No. 2” by Georg Friedrich Haas,
registered on the CopyrightChains blockchain with CopyrightID
0x2dbb4f8b53ce444d305a4fbd784168f133108c6a0fb423bb4d26d57e22b0b9ea and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEL290400128.
Recording identifiers
- ISRC
- DEL290400128
- Title
- String Quartet No. 2
- Artist
- Georg Friedrich Haas
- CopyrightID (CopyrightChains transaction hash)
0x2dbb4f8b53ce444d305a4fbd784168f133108c6a0fb423bb4d26d57e22b0b9ea
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:8b452632076919ed1f127464a3084ba78b9cd4d4822eadb802558295cd3e9a53- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEL290400128
- Bitcoin block existence check
- https://blockstream.info/api/block/957118