OpenTechnical

OT-2026-000065919

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, two stage ejector, pressure sensor per zone, pulsed 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-2026-000065919) never changes.

Identity and time

Publication numberOT-2026-000065919 · never reused
Internal UUID01a0ae8e-8dc1-780b-af81-21cae1593785 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065919
StatusPUBLIC

Content hashes

Canonical textd53e3b657f1509d631d93a0b5f34309b8af6281376ff6f1bc2ae4da0fc228121
Markdowncf9c942d45ba75b9e291905f13fb0e9044d1bbf6396d9484cac516fee8392d61
PDF
Publication pageda4a469ca27a0421a1394f9ce4aa94014f30bc4dbe3a330ad33fbd04724d0926
Manifest4707621e4beca68c654df343d530d0b2641ed46f822b6e127f89980c9afbf02c

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
SignaturekiS9JzSItKLnVzi3aj28UOVZ7oIWtXISqqxtpilohkgSFZlqf+3Tw1pwDs1xyWJX5AJJoCVxDATdK6hQ9ohPAg==
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

2026-09-17T08:50:09.988421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065919
observed da4a469ca27a0421a1394f9ce4aa9401...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:09.843873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065919/manifest.json
observed 4707621e4beca68c654df343d530d0b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:09.823709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065919/publication.md
observed cf9c942d45ba75b9e291905f13fb0e90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:09.802287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065919/publication.txt
observed d53e3b657f1509d631d93a0b5f34309b...
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.