ISRC DEF059404933
Verified recording
DEF059404933 is “String Quartet No. 7 in F Major, Op. 59, No. 1 "Rasumovsky": III. Adagio molto e mesto” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x78c94c4a28af9ea731f869c261e4663bd4d3a66e214abac34d7e7fdeb99c6556 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059404933.
Recording identifiers
- ISRC
- DEF059404933
- Title
- String Quartet No. 7 in F Major, Op. 59, No. 1 "Rasumovsky": III. Adagio molto e mesto
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x78c94c4a28af9ea731f869c261e4663bd4d3a66e214abac34d7e7fdeb99c6556
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:8df2dabd50af69962b2853fa4d5aee9ba54793bec3949a06a8f124033cee859f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059404933
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: String Quartet No. 7 in F Major, Op. 59, No. 1 "Rasumovsky": III. Adagio molto e mesto · Machine-readable JSON-LD