OpenTechnical

OT-2026-000091279

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000091279) never changes.

Identity and time

Publication numberOT-2026-000091279 · never reused
Internal UUID01a0ae9c-f16c-7c01-b5d2-388aba1b5369 · 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-2026-000091279
StatusPUBLIC

Content hashes

Canonical text7c3398d048ab39ad06e6d4048e6f49c7cddf33e6a2a950cfe46959fe1c640c67
Markdownfb7851f5110d82409b9a30fd68f780202463c2d741689a252548ed5b97330f76
PDF
Publication page592fcd863c0aed62ea731ab3e8ec1f92f8f17abad5aa9b3c55e8974697642179
Manifest1cc5ea973f15d7344404af278a90cc97f5db3a4a9d8785bf66c3cdbdfd8ddfe3

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
SignatureiDPH6fLvHXBN4Zwc82Rmhb9I/9vmZlAsZU0ju8LLCjfNWkoeloRlJCgvaSt00JVDmYnBJjGeaGQ1HV/Gkvi7CA==
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

2026-09-17T09:43:27.682179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091279
observed 592fcd863c0aed62ea731ab3e8ec1f92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:27.666393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091279/manifest.json
observed 1cc5ea973f15d7344404af278a90cc97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:27.648574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091279/publication.md
observed fb7851f5110d82409b9a30fd68f78020...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:27.631594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091279/publication.txt
observed 7c3398d048ab39ad06e6d4048e6f49c7...
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.