ISRC DEF054302072
Verified recording
DEF054302072 is “Symphony No. 7 in A Major, Op. 92: II. Allegretto - Live at Alte Philharmonie, Berlin, 1943” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0xcefff3c45e0bd2d39febd880ba85f0d66b1cc2ded7c8719bae8ffd5ad5f155a9 and independently timestamped
in Bitcoin block 957055 on 2026-07-07.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF054302072.
Recording identifiers
- ISRC
- DEF054302072
- Title
- Symphony No. 7 in A Major, Op. 92: II. Allegretto - Live at Alte Philharmonie, Berlin, 1943
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0xcefff3c45e0bd2d39febd880ba85f0d66b1cc2ded7c8719bae8ffd5ad5f155a9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-07T15:12:44+00:00
- Bitcoin block
- 957055
- Canonical record hash
sha256:6f83cc8f0f9a06f931ff8816a458b63d4694c030e3141dfbfa8657471427f9fa- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF054302072
- Bitcoin block existence check
- https://blockstream.info/api/block/957055
Full record
Track page: Symphony No. 7 in A Major, Op. 92: II. Allegretto - Live at Alte Philharmonie, Berlin, 1943 · Machine-readable JSON-LD