ISRC DEF058604022

Verified recording

DEF058604022 is “Symphony No. 1 in D Major, Op. 25 "Classical Symphony": II. Larghetto” by Sergei Prokofiev, registered on the CopyrightChains blockchain with CopyrightID 0xe3c88c81c838bbb1e3267794b4b982baabc4e03b904388de351df5db7a8367f1 and independently timestamped in Bitcoin block 960212 on 2026-07-30. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058604022.

Recording identifiers

ISRC
DEF058604022
Title
Symphony No. 1 in D Major, Op. 25 "Classical Symphony": II. Larghetto
Artist
Sergei Prokofiev
CopyrightID (CopyrightChains transaction hash)
0xe3c88c81c838bbb1e3267794b4b982baabc4e03b904388de351df5db7a8367f1

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-30T05:43:45+00:00
Bitcoin block
960212
Canonical record hash
sha256:c26e6a07104b2c9ea8e7f063ab94305ebb9e3cb5b06a21228afd5d294ef19a18
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058604022
Bitcoin block existence check
https://blockstream.info/api/block/960212

Full record

Track page: Symphony No. 1 in D Major, Op. 25 "Classical Symphony": II. Larghetto · Machine-readable JSON-LD