ISRC DEF057702722
Verified recording
DEF057702722 is “Symphony No. 2 in D Major, Op. 36: II. Larghetto - Recorded 1977” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x3fec0dbf28913520b3cd2da6a1d9267283eaf29b670d7b7bc9fc304b733f4f23 and independently timestamped
in Bitcoin block 960368 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057702722.
Recording identifiers
- ISRC
- DEF057702722
- Title
- Symphony No. 2 in D Major, Op. 36: II. Larghetto - Recorded 1977
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x3fec0dbf28913520b3cd2da6a1d9267283eaf29b670d7b7bc9fc304b733f4f23
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T08:26:41+00:00
- Bitcoin block
- 960368
- Canonical record hash
sha256:7ecb87116d7d9710438fae8a2555573a5686f3ab3bc4e3e4d939be0930989ca5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057702722
- Bitcoin block existence check
- https://blockstream.info/api/block/960368
Full record
Track page: Symphony No. 2 in D Major, Op. 36: II. Larghetto - Recorded 1977 · Machine-readable JSON-LD