OpenTechnical

OT-2026-000068470

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, vented after 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-2026-000068470) never changes.

Identity and time

Publication numberOT-2026-000068470 · never reused
Internal UUID01a0ae90-2481-7748-974c-566e3d7b58bf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068470
StatusPUBLIC

Content hashes

Canonical texta28273f41d31c44ce3a7f3c3741f5921c649b95154fd2d10bf737aba5d86d3f6
Markdowna778b85d972c2ed2334fd372e589f2bcb6c0a4ea9503f4dc262eacc206fe73d1
PDF
Publication page5de1b1fb04c1ce8a880552660f40e07b98ed93af75394b22d5ff733d5b5740d0
Manifestaf5d0f703b01a95b9af48e1027a12645a8c0bb3e589e1b8bc1f9055b25eb22fe

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
SignaturegUqxQcwqYHSByKCQ/ZTg85LuqjDtA9LwGh1/8PpGInpsugPxAm8gbd2LjpUlts2musSoBOYjp6mTnIwOX04JCw==
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

2026-09-17T10:29:37.224526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068470
observed 5de1b1fb04c1ce8a880552660f40e07b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:37.206993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068470/manifest.json
observed af5d0f703b01a95b9af48e1027a12645...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:37.190358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068470/publication.md
observed a778b85d972c2ed2334fd372e589f2bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:37.173411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068470/publication.txt
observed a28273f41d31c44ce3a7f3c3741f5921...
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.