ISRC ATK229900195

Verified recording

ATK229900195 is “Marsch (1741)” by Friedrich II, registered on the CopyrightChains blockchain with CopyrightID 0x1ec7aae2f9cbbde8c02884699003155606f1752f338f29abb2dd596af25b7812 and independently timestamped in Bitcoin block 960455 on 2026-07-31. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ATK229900195.

Recording identifiers

ISRC
ATK229900195
Title
Marsch (1741)
Artist
Friedrich II
CopyrightID (CopyrightChains transaction hash)
0x1ec7aae2f9cbbde8c02884699003155606f1752f338f29abb2dd596af25b7812

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-31T19:53:13+00:00
Bitcoin block
960455
Canonical record hash
sha256:44b32d88026057088de51d95111ba7125799f94a048f6819840a00597f31fde6
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ATK229900195
Bitcoin block existence check
https://blockstream.info/api/block/960455

Full record

Track page: Marsch (1741) · Machine-readable JSON-LD