OpenTechnical

OT-2026-000022835

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, single 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-2026-000022835) never changes.

Identity and time

Publication numberOT-2026-000022835 · never reused
Internal UUID01a0ae70-46ea-7312-8664-124930401b0b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022835
StatusPUBLIC

Content hashes

Canonical textaca8a3b505f9ff61acb38b6e7593c7172d17bf38ae179247622e9a0d5d73e653
Markdown5db0702e7dad06f6af6f0a86b1e2d5dce0f1cc19cad08462edfdf9c0ab0183f9
PDF
Publication page6d1af0f43d3b979f1817157c19e22799f9e2d7b737dbbc1f4a2b85082f91cd7b
Manifestfd9d4fe0e132fcd6823c3ba062b2cc86d4a6bd4b9f4eeea857b2007b57f32bc1

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
SignaturelB07mSIycmwSq3Pj0bcKWS0j1XaV+NefVXS7BIuY47szELZ8EUnsgj/4Dv+o3oMSGekR+nFk6zRyTUt0XxjdDA==
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

2026-09-17T11:52:22.165772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022835
observed 6d1af0f43d3b979f1817157c19e22799...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:22.148159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022835/manifest.json
observed fd9d4fe0e132fcd6823c3ba062b2cc86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:22.129788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022835/publication.md
observed 5db0702e7dad06f6af6f0a86b1e2d5dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:22.109610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022835/publication.txt
observed aca8a3b505f9ff61acb38b6e7593c717...
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.