OpenTechnical

OT-2026-000074451

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, three stage ejector, manifold pressure sensor, pulsed blow-off before set-down

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-2026-000074451) never changes.

Identity and time

Publication numberOT-2026-000074451 · never reused
Internal UUID01a0ae93-717a-77a6-81dd-f23f450d12e4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074451
StatusPUBLIC

Content hashes

Canonical text36b1231d64599106620d1c6e3b559469a6ac30e9d706a36072b958042e1367cb
Markdown2430ba28db57d36bd2f74c7b87f39ba5f3e31a36ef792923d4f500895f2df61b
PDF
Publication page8f4c5ff6654df9ba3c4c4515eb5dcd95bff68c6cda6dc2c3ef202264f90bad73
Manifesta885e0f2763db44ffd2e296fffb57b591729614aabeab655b5c959827ca746a9

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
SignatureFi6EKnU93n2r3eSZGa66VOXE8Y5vzIXJ5lgyOdxX3gptZSIA9e1rSRpt+Kn+oEonBruUx1aoZzzyQdKiOE9dCw==
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

2026-09-17T10:19:20.514087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074451
observed 8f4c5ff6654df9ba3c4c4515eb5dcd95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:20.495455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074451/manifest.json
observed a885e0f2763db44ffd2e296fffb57b59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:20.462963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074451/publication.md
observed 2430ba28db57d36bd2f74c7b87f39ba5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:20.433620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074451/publication.txt
observed 36b1231d64599106620d1c6e3b559469...
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.