OpenTechnical

OT-2026-000099658

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two 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-2026-000099658) never changes.

Identity and time

Publication numberOT-2026-000099658 · never reused
Internal UUID01a0aea2-c976-78d2-9373-d89667d5876a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099658
StatusPUBLIC

Content hashes

Canonical textb3b8318e5366b9c02337e8f778b5754533597110596f18546b6f9f41fed7a527
Markdownefa2b8d5fd6fb249aa4ba816665a887f2fa758d06cc44d7974fc68a995c9b3e3
PDF
Publication pagef7a90ce0207f00df33ef2e2eede74fb0081f3188dc9d743f6f3f4ca49f61b8ef
Manifesta00c6ea9fd1ecaddaa2a6c23345a6d5b6261d6683048e038d8fa0bb7608a0c9c

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
SignaturerEzEJwseJl+Gkgtbu8diNA8zFZJ4bKKEuGTbuPESZbXkZ2DzpGakd9BmN6xBxQzalhoRBuwh5nRt8tXtqI+NDw==
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

2026-09-17T09:29:35.894429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099658
observed f7a90ce0207f00df33ef2e2eede74fb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:35.877771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099658/manifest.json
observed a00c6ea9fd1ecaddaa2a6c23345a6d5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:35.858705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099658/publication.md
observed efa2b8d5fd6fb249aa4ba816665a887f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:35.840880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099658/publication.txt
observed b3b8318e5366b9c02337e8f778b57545...
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.