OpenTechnical

OT-2026-000025523

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, three stage ejector, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000025523) never changes.

Identity and time

Publication numberOT-2026-000025523 · never reused
Internal UUID01a0ae71-5fa8-747a-a422-4303fb6cbadb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025523
StatusPUBLIC

Content hashes

Canonical text881410526967945387436f746f1c769bb332c2643328e9d4ef69bc5994b6e4bb
Markdown0e0da7dcb977da5f0806f1ab8f0bff224db4b1e4c898e2e2a40d30d1f08ce72d
PDF
Publication page8d883e99f98498a8c3286a1f0f050489d39c02a0815ab367c94d59caf55930eb
Manifest50337b1e14976dfc3b94b565d43bbf41cc4dcf5deae13be9981c0312cfd593dd

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturewK5JzJLSiKHxgRTriUPq5JAKQoCC/ZQD+MQw/R8T+YkxVB+4dV5OoHrsxP2peVsC/uto6XhmwV1p4bG5twMuAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:47:39.838026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025523
observed 8d883e99f98498a8c3286a1f0f050489...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:39.813456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025523/manifest.json
observed 50337b1e14976dfc3b94b565d43bbf41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:39.784860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025523/publication.md
observed 0e0da7dcb977da5f0806f1ab8f0bff22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:39.760232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025523/publication.txt
observed 881410526967945387436f746f1c769b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.