OpenTechnical

OT-2026-000100394

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, 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-2026-000100394) never changes.

Identity and time

Publication numberOT-2026-000100394 · never reused
Internal UUID01a0aea3-66ee-7449-a4c4-1844f36aabf4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100394
StatusPUBLIC

Content hashes

Canonical text80a682cf321c10f56eee892a8f767e16a0bfe95ffe67ef6680f472fa088e29b5
Markdownde9130d93be9382c4ee80c93c9d4ca4c18fb98d8fdee12a36c610ce753b57832
PDF
Publication pagebd67c33243042f0ffdf911ccab313299c148a34fc832cd8b88da79751a05dcac
Manifest782327c93e7a03b7fa9be5345544695c0fef59a2b120e34463afb335a147061a

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
Signature46XUcvixh937uKEfL5DxZN5nNGks5ZU0LTri7Mufus4mrmxUo40fZXDQpWZ471Fbi47hzW3z7M9lZakY0ONODw==
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

2026-09-17T09:27:07.648258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100394
observed bd67c33243042f0ffdf911ccab313299...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:07.632608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100394/manifest.json
observed 782327c93e7a03b7fa9be5345544695c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:07.616904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100394/publication.md
observed de9130d93be9382c4ee80c93c9d4ca4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:07.599980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100394/publication.txt
observed 80a682cf321c10f56eee892a8f767e16...
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.