OpenTechnical

OT-2026-000100293

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, two stage ejector, pressure sensor per zone, 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-2026-000100293) never changes.

Identity and time

Publication numberOT-2026-000100293 · never reused
Internal UUID01a0aea3-3053-7b67-8152-59626594b441 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100293
StatusPUBLIC

Content hashes

Canonical textda299650b062f76a8e7ac16c9fb588399d97f2fa644dd90c95e15883a97491dd
Markdown04601c77819ccc9a88762c2df970545fd28e6e819919c72902d094cbb3f7f22a
PDF
Publication pagedeacdac3beb6370e02e198f64a72ba395ac77399d0d0ec188f3e8788a6868d9a
Manifest2fe43d3d572421790493c707b71b69199c14900b63e9f119fa929926b905a781

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
Signature6sghaSESOrbPYrdLvXxTkK1YB7s1T0bsmmEZiUNkCn/47Zd751ibJhY8pg2ZnpYFwBHkTH6FLc7kioPesiBBBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:06.491695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100293
observed deacdac3beb6370e02e198f64a72ba39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:06.470202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100293/manifest.json
observed 2fe43d3d572421790493c707b71b6919...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:06.450442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100293/publication.md
observed 04601c77819ccc9a88762c2df970545f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:06.431892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100293/publication.txt
observed da299650b062f76a8e7ac16c9fb58839...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:36.198735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100293
observed deacdac3beb6370e02e198f64a72ba39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:36.180981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100293/manifest.json
observed 2fe43d3d572421790493c707b71b6919...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:36.162345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100293/publication.md
observed 04601c77819ccc9a88762c2df970545f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:36.143116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100293/publication.txt
observed da299650b062f76a8e7ac16c9fb58839...
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.