ISRC DEF057702712
Verified recording
DEF057702712 is “Symphony No. 1 in C Major, Op. 21: II. Andante cantabile con moto - Recorded 1977” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0xa9d9e9e6b8cc0faa48c83e5862a1bc963d0e9b8c1a8cc74559a3b5b09477891b and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057702712.
Recording identifiers
- ISRC
- DEF057702712
- Title
- Symphony No. 1 in C Major, Op. 21: II. Andante cantabile con moto - Recorded 1977
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0xa9d9e9e6b8cc0faa48c83e5862a1bc963d0e9b8c1a8cc74559a3b5b09477891b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:d7f065c4b1d9c0f5c01950c2b1eff84c4d6dc57f7ecff04b2d711245e22a5e7f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057702712
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Symphony No. 1 in C Major, Op. 21: II. Andante cantabile con moto - Recorded 1977 · Machine-readable JSON-LD