OpenTechnical

OT-2026-000013538

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, 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-2026-000013538) never changes.

Identity and time

Publication numberOT-2026-000013538 · never reused
Internal UUID01a0ae6d-6fcb-7eca-81c7-e0d58afc920b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013538
StatusPUBLIC

Content hashes

Canonical textadfca53c9d4b3b3c46fc2c83d50e8ec923c8b352f3111113894db05d1b42fcdf
Markdown0940bdfcfc97d4973e146429d9181b2904fc15572fa2f7826629eb733daae6fb
PDF
Publication page4a79fe97383fb903112b19aa3034f358e1fd5bea0ce93ea17cf412b445bcb170
Manifest40e7bdd933701a5a6c7998aed9d162a3d0a9e1bde0af5eaae47d9c520e8fb1bf

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
SignatureFr6bMl09UKzNwFw8E3ovV9KpJldHR8mhxzvKZIoPBGT53gZGTljusGUo59fv7rHXKMRvVEbyhifj8eQgatCZDw==
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

2026-09-17T12:10:03.404030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013538
observed 4a79fe97383fb903112b19aa3034f358...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:03.382668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013538/manifest.json
observed 40e7bdd933701a5a6c7998aed9d162a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:03.362562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013538/publication.md
observed 0940bdfcfc97d4973e146429d9181b29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:03.338737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013538/publication.txt
observed adfca53c9d4b3b3c46fc2c83d50e8ec9...
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.