ISRC USSM11505518
Verified recording
USSM11505518 is “Var. 26” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x8f869ef81d02af231ff6379f6fe9b1dcc150b98bc77d2827b24163b60eb2ba3c 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/USSM11505518.
Recording identifiers
- ISRC
- USSM11505518
- Title
- Var. 26
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x8f869ef81d02af231ff6379f6fe9b1dcc150b98bc77d2827b24163b60eb2ba3c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:918930a1f95fcc19109a5d523df747d3465a71f19cf50846e5099006257acb3e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11505518
- Bitcoin block existence check
- https://blockstream.info/api/block/956302