ISRC CALC40800306
Verified recording
CALC40800306 is “Symphony No. 7 in A Major, Op. 92: III. Presto – Assai meno presto” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0xb75a2e400635e151fce824d86ac7c0c93186c4c419c5fac0eb00a47fbabc47bc and independently timestamped
in Bitcoin block 960240 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CALC40800306.
Recording identifiers
- ISRC
- CALC40800306
- Title
- Symphony No. 7 in A Major, Op. 92: III. Presto – Assai meno presto
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0xb75a2e400635e151fce824d86ac7c0c93186c4c419c5fac0eb00a47fbabc47bc
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T09:57:33+00:00
- Bitcoin block
- 960240
- Canonical record hash
sha256:b94a3c4b1725f62a26ad396af5ac1f5687fc03b1c57672424e2ba26d6280225c- Verification API (seven-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CALC40800306
- Bitcoin block existence check
- https://blockstream.info/api/block/960240
Full record
Track page: Symphony No. 7 in A Major, Op. 92: III. Presto – Assai meno presto · Machine-readable JSON-LD