ISRC DEF059204144
Verified recording
DEF059204144 is “4 Orchestral Pieces, Sz. 51: IV. Marcia funebre. Maestoso” by Béla Bartók,
registered on the CopyrightChains blockchain with CopyrightID
0x23cdc51ed421477e76aa0452f30a8632ed6989b5cbb82b8759797d09ff9ac4f9 and independently timestamped
in Bitcoin block 960207 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059204144.
Recording identifiers
- ISRC
- DEF059204144
- Title
- 4 Orchestral Pieces, Sz. 51: IV. Marcia funebre. Maestoso
- Artist
- Béla Bartók
- CopyrightID (CopyrightChains transaction hash)
0x23cdc51ed421477e76aa0452f30a8632ed6989b5cbb82b8759797d09ff9ac4f9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T04:47:22+00:00
- Bitcoin block
- 960207
- Canonical record hash
sha256:d0737529b7bd881688236cbd66170755ccdecc19d4f1783caef5af038b163ffa- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059204144
- Bitcoin block existence check
- https://blockstream.info/api/block/960207
Full record
Track page: 4 Orchestral Pieces, Sz. 51: IV. Marcia funebre. Maestoso · Machine-readable JSON-LD