OpenTechnical

OT-2026-000026278

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, 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-2026-000026278) never changes.

Identity and time

Publication numberOT-2026-000026278 · never reused
Internal UUID01a0ae71-f4a6-7b41-a7a2-5eb94fdd1f82 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026278
StatusPUBLIC

Content hashes

Canonical text5f3ee2014340f84664cfd9ce14456e28a6e9ea4ba8a40d2d438b66f8616d7e0c
Markdown3d969b7aa8ba4e10e2b1ed852ef4099c07924dcc23ae82dfdd209d97adcb8384
PDF
Publication page100555a9050868512dfe59e4fc4d9f08f4d5c0825b6eb96ba1c744a15d4cdcbe
Manifest0501659d5a14439e62cb441aea0a98b5ff5a1e47106094055418b6f2d714ce9e

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
SignatureqRFeSVD4gj68JwgQ6x5TV4qYzTkQE8S8gneYWKC1LSSBgOP+P/kRoqpsCmv/Wxli+cJnATX3HSwrLsVmPprOCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:44:13.573027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026278
observed 100555a9050868512dfe59e4fc4d9f08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:13.557446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026278/manifest.json
observed 0501659d5a14439e62cb441aea0a98b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:13.530149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026278/publication.md
observed 3d969b7aa8ba4e10e2b1ed852ef4099c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:13.515607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026278/publication.txt
observed 5f3ee2014340f84664cfd9ce14456e28...
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.