OpenTechnical

OT-2026-000080206

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line 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-2026-000080206) never changes.

Identity and time

Publication numberOT-2026-000080206 · never reused
Internal UUID01a0ae96-7e76-7290-bae3-51355fc98a27 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080206
StatusPUBLIC

Content hashes

Canonical text15a0b40becb0294edc2f69a3c985f543d01a569afeffaa7a618c9554cee35b2e
Markdownb761a4838259862264f10a95f9dea69b315e80dd37a2a7babd72b4150ec79fab
PDF
Publication page5a29d4e1252365bc2512464453864b7b751856646e8458cff8283d4df8f74de7
Manifestb685020b81c440c57634657f92219c28aac97c4bea08d1725640f37d3b221459

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
SignatureosAHyHvFvvOEFnQr+2v1EoGJ/OYHQGepxU64kp1y60j5uwng5kk8iAR4Z4pvamm3UJENa8QrYpeaTWscjC5HDg==
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

2026-09-17T10:02:39.220710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080206
observed 5a29d4e1252365bc2512464453864b7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:39.201586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080206/manifest.json
observed b685020b81c440c57634657f92219c28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:39.181714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080206/publication.md
observed b761a4838259862264f10a95f9dea69b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:39.160203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080206/publication.txt
observed 15a0b40becb0294edc2f69a3c985f543...
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.