OpenTechnical

OT-2026-000091402

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, single 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-2026-000091402) never changes.

Identity and time

Publication numberOT-2026-000091402 · never reused
Internal UUID01a0ae9c-f16d-70a6-82e0-2405e5cf2271 · 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-2026-000091402
StatusPUBLIC

Content hashes

Canonical text7fc91850e9ad4be9056f83d50bff943e0f58bdf4ea1a5752cf621f4e05e91c22
Markdowneaf32bbb2b6bfb00f1e2b89baca98b91875e5d4a20a03b25e46a7529fb24c567
PDF
Publication pagea826c8389208e935f8a714863011c87eff3154513aa117db3528f821445f85d7
Manifest4a97b0385851f68369369a94606a4467b98961a9021bcbefa519515acc28fe97

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
Signaturee68fXXWffi+7IYeorDW+Tk9m33YIHPAwdBYPfs8e9o0llyVEX5v/T/cwj02K1UeycTAadITI07atYKplIdFWDw==
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

2026-09-17T09:43:37.813696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091402
observed a826c8389208e935f8a714863011c87e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:37.796773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091402/manifest.json
observed 4a97b0385851f68369369a94606a4467...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:37.776183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091402/publication.md
observed eaf32bbb2b6bfb00f1e2b89baca98b91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:37.757306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091402/publication.txt
observed 7fc91850e9ad4be9056f83d50bff943e...
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.