ISRC DEF057301822

Verified recording

DEF057301822 is “Piano Sonata No. 1 in F Sharp Minor, Op. 11: II. Aria” by Robert Schumann, registered on the CopyrightChains blockchain with CopyrightID 0xb6be5461cdb696b5ad25cbfe95a6fce9135c52341e227a0aca9fab838d14071a and independently timestamped in Bitcoin block 960225 on 2026-07-30. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057301822.

Recording identifiers

ISRC
DEF057301822
Title
Piano Sonata No. 1 in F Sharp Minor, Op. 11: II. Aria
Artist
Robert Schumann
CopyrightID (CopyrightChains transaction hash)
0xb6be5461cdb696b5ad25cbfe95a6fce9135c52341e227a0aca9fab838d14071a

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-30T08:04:30+00:00
Bitcoin block
960225
Canonical record hash
sha256:28226dfa238c6d04638395e58cbe7aa7d79c75eefbd81d114a484f758e950d8d
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057301822
Bitcoin block existence check
https://blockstream.info/api/block/960225

Full record

Track page: Piano Sonata No. 1 in F Sharp Minor, Op. 11: II. Aria · Machine-readable JSON-LD