ISRC DEN961900646
Verified recording
DEN961900646 is “Symphony No. 21, Op. 152 „Kaddish“: VI. Lento” by Mieczysław Weinberg,
registered on the CopyrightChains blockchain with CopyrightID
0x3da03a69334e81f4c924cea07c8322e79e908e08e96baaeac8044dae5b025f40 and independently timestamped
in Bitcoin block 960418 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961900646.
Recording identifiers
- ISRC
- DEN961900646
- Title
- Symphony No. 21, Op. 152 „Kaddish“: VI. Lento
- Artist
- Mieczysław Weinberg
- CopyrightID (CopyrightChains transaction hash)
0x3da03a69334e81f4c924cea07c8322e79e908e08e96baaeac8044dae5b025f40
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T15:20:15+00:00
- Bitcoin block
- 960418
- Canonical record hash
sha256:64f2145455415ec554e6ee35e97153202b9777358d3a6121e479f4389ddd1118- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961900646
- Bitcoin block existence check
- https://blockstream.info/api/block/960418
Full record
Track page: Symphony No. 21, Op. 152 „Kaddish“: VI. Lento · Machine-readable JSON-LD