OpenTechnical

OT-2026-000091339

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, pressure sensor per zone, sustained 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-2026-000091339) never changes.

Identity and time

Publication numberOT-2026-000091339 · never reused
Internal UUID01a0ae9c-f16c-732b-9f36-2b64bce7eb3b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091339
StatusPUBLIC

Content hashes

Canonical text3e774d21b9be0e46603adc7893da44d66b3841c31c0673feca27bf5b9dbf597f
Markdown91f2a3e4db5acfa25a87ff5a212d311f6f73197c1899296f17b9c5a9107bd16e
PDF
Publication page40c3cf4ac44e682ef7ee786a165c2aab9a293304350418652f04f106271f4e6d
Manifest422ef128fcac270fe97d77a8835dbaa09d98eb12f8fe6df2bd12f2a8b82edba5

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
SignatureblBdvyuj1NqzEc0SNsuohI0GFglIPFzvg8ewK/hz8w0xweaUjMoNRIttSraqUXFpR0zS89wFsSjCpRjOyErhCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:43:32.887853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091339
observed 40c3cf4ac44e682ef7ee786a165c2aab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:32.870291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091339/manifest.json
observed 422ef128fcac270fe97d77a8835dbaa0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:32.851634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091339/publication.md
observed 91f2a3e4db5acfa25a87ff5a212d311f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:32.833880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091339/publication.txt
observed 3e774d21b9be0e46603adc7893da44d6...
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.