ISRC HKI199615904

Verified recording

HKI199615904 is “String Quartet No. 21 In D Major, K. 575, "Prussian No. 1": String Quartet No. 21 In D Major, K. 575, "Prussian No. 1": II. Andante” by Eder Quartet, registered on the CopyrightChains blockchain with CopyrightID 0x44f65933c969fea39ac347250db51dcc5b78bb51612133f3880dab05afcdead2 and independently timestamped in Bitcoin block 960284 on 2026-07-30. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199615904.

Recording identifiers

ISRC
HKI199615904
Title
String Quartet No. 21 In D Major, K. 575, "Prussian No. 1": String Quartet No. 21 In D Major, K. 575, "Prussian No. 1": II. Andante
Artist
Eder Quartet
CopyrightID (CopyrightChains transaction hash)
0x44f65933c969fea39ac347250db51dcc5b78bb51612133f3880dab05afcdead2

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-30T17:23:26+00:00
Bitcoin block
960284
Canonical record hash
sha256:fd8eb2c3c99726da47b49e94bed692fb190cd42da1d98ae6c405ca3944b01c83
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199615904
Bitcoin block existence check
https://blockstream.info/api/block/960284

Full record

Track page: String Quartet No. 21 In D Major, K. 575, "Prussian No. 1": String Quartet No. 21 In D Major, K. 575, "Prussian No. 1": II. Andante · Machine-readable JSON-LD