OpenTechnical

OT-2026-000070901

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, three stage ejector, supply line pressure sensor, 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-2026-000070901) never changes.

Identity and time

Publication numberOT-2026-000070901 · never reused
Internal UUID01a0ae91-8c2d-760e-9787-d5fd6d3a4de7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070901
StatusPUBLIC

Content hashes

Canonical text8192ab68c30877a7ae60f716635704a0cd23dabd78e653e6f15a3cf1ff30de3b
Markdown7caafbde3794a93144778f8a530157c2074e5b14ad918a975aa1f78adb7b65c5
PDF
Publication page93ab44aadf21f9eac4cfd6ceb925e3bfdf741a308b9f1b14392a2aa7b4ca8a1a
Manifest6a750df6e271103d5de9299cab84b5cb8c41c0897d6eebb8431f6147d4a61c7a

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
Signature6jA9s4mtR28/aF+e9JS9xT311tchO0XpUxh3MD56Vkk80+IyCxtwtIWFymT/jB69bBX6vufTw6KFMMj8VktnAw==
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

2026-09-17T10:25:43.783118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070901
observed 93ab44aadf21f9eac4cfd6ceb925e3bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:43.766845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070901/manifest.json
observed 6a750df6e271103d5de9299cab84b5cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:43.750196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070901/publication.md
observed 7caafbde3794a93144778f8a530157c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:43.731363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070901/publication.txt
observed 8192ab68c30877a7ae60f716635704a0...
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.