ISRC CALC40800300
Verified recording
CALC40800300 is “Symphony No. 8 in F Major, Op. 93: I. Allegro vivace e con brio” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x6a3c538fad89ee9988834c691737a097be7bb8d1100d12a0f1a666b1e70d1a1d and independently timestamped
in Bitcoin block 960327 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CALC40800300.
Recording identifiers
- ISRC
- CALC40800300
- Title
- Symphony No. 8 in F Major, Op. 93: I. Allegro vivace e con brio
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x6a3c538fad89ee9988834c691737a097be7bb8d1100d12a0f1a666b1e70d1a1d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T00:26:26+00:00
- Bitcoin block
- 960327
- Canonical record hash
sha256:7556dfc91df7fb525786ec5e9bb009ac2e1c197da49f1a8fac240468d6bb5198- Verification API (seven-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CALC40800300
- Bitcoin block existence check
- https://blockstream.info/api/block/960327
Full record
Track page: Symphony No. 8 in F Major, Op. 93: I. Allegro vivace e con brio ยท Machine-readable JSON-LD