ISRC DEXO32303726

Verified recording

DEXO32303726 is “Kapitel 3 Die ersten Informatiker bauen die ersten Rechner, Teil 2” by Manfred Spitzer, registered on the CopyrightChains blockchain with CopyrightID 0xa2baa6693863836a21497f7691fd1798c36f40e0ca999a43ecca722eb722b6fb 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/DEXO32303726.

Recording identifiers

ISRC
DEXO32303726
Title
Kapitel 3 Die ersten Informatiker bauen die ersten Rechner, Teil 2
Artist
Manfred Spitzer
CopyrightID (CopyrightChains transaction hash)
0xa2baa6693863836a21497f7691fd1798c36f40e0ca999a43ecca722eb722b6fb

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19+00:00
Bitcoin block
957118
Canonical record hash
sha256:f82609453588a694d3723db484be07ff13c9857641f8e91e0bfa86d7ed538e03
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEXO32303726
Bitcoin block existence check
https://blockstream.info/api/block/957118

Full record

Track page: Kapitel 3 Die ersten Informatiker bauen die ersten Rechner, Teil 2 · Machine-readable JSON-LD