ISRC DEF057901321

Verified recording

DEF057901321 is “Horn Concerto No. 1 in D Major, K. 412: I. Allegro” by Wolfgang Amadeus Mozart, registered on the CopyrightChains blockchain with CopyrightID 0xb8a30bace2270e637cb7afa70770f9087a839678c3e98cb1e1d611b29659cd8a and independently timestamped in Bitcoin block 960448 on 2026-07-31. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057901321.

Recording identifiers

ISRC
DEF057901321
Title
Horn Concerto No. 1 in D Major, K. 412: I. Allegro
Artist
Wolfgang Amadeus Mozart
CopyrightID (CopyrightChains transaction hash)
0xb8a30bace2270e637cb7afa70770f9087a839678c3e98cb1e1d611b29659cd8a

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-31T18:48:12+00:00
Bitcoin block
960448
Canonical record hash
sha256:63d16fc822f5f3014adcf36e5cc2bccb815d268fc7cb7b74461cee593b6dc391
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057901321
Bitcoin block existence check
https://blockstream.info/api/block/960448

Full record

Track page: Horn Concerto No. 1 in D Major, K. 412: I. Allegro · Machine-readable JSON-LD