OpenTechnical

OT-2026-000103920

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, two stage ejector, pulsed blow-off after set-down

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-2026-000103920) never changes.

Identity and time

Publication numberOT-2026-000103920 · never reused
Internal UUID01a0aea5-15e7-7aee-9173-228a2eae02ce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103920
StatusPUBLIC

Content hashes

Canonical textade206dc18c04d1a2327024e70dbbf1397d9a7a6ac5b9f0db109fad090ee9d8b
Markdownce3bfa3020645bb1f687f7cdcbffb261db863e572906ce26159c276b0fb40804
PDF
Publication page5107249ff599e4eab267df0309078915d1bc0c8002d79a0a95794fb71eca798e
Manifestabd08ee64efbe46bab06313f44990b256e3af9b957b5129619ea4b21dad78a22

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
Signature3B1z6VqMkXUlfHsh/63jHh6Y2kP4APzbJEMvyDl8fXDbfak5WGasmQH2HL/4tLd/6VyEKRBswWWiLrTJMY1dCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:21:54.933507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103920
observed 5107249ff599e4eab267df0309078915...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:54.915691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103920/manifest.json
observed abd08ee64efbe46bab06313f44990b25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:54.898159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103920/publication.md
observed ce3bfa3020645bb1f687f7cdcbffb261...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:54.881014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103920/publication.txt
observed ade206dc18c04d1a2327024e70dbbf13...
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.