ISRC DEF057702133
Verified recording
DEF057702133 is “Piano Sonata No. 28 in A Major, Op. 101: III. Langsam und sehnsuchtsvoll (Adagio ma non troppo, con affetto) - Recorded 1977” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x6dd2db488b0a0d6d33468a176aea2533a90cff6973cceaa322fb826de5ee5917 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/DEF057702133.
Recording identifiers
- ISRC
- DEF057702133
- Title
- Piano Sonata No. 28 in A Major, Op. 101: III. Langsam und sehnsuchtsvoll (Adagio ma non troppo, con affetto) - Recorded 1977
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x6dd2db488b0a0d6d33468a176aea2533a90cff6973cceaa322fb826de5ee5917
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T17:23:26+00:00
- Bitcoin block
- 960284
- Canonical record hash
sha256:a9018870fcf24ced9b0a23353d46283375870b2f259ec50a172036330bdee002- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057702133
- Bitcoin block existence check
- https://blockstream.info/api/block/960284
Full record
Track page: Piano Sonata No. 28 in A Major, Op. 101: III. Langsam und sehnsuchtsvoll (Adagio ma non troppo, con affetto) - Recorded 1977 · Machine-readable JSON-LD