OpenTechnical

OT-2026-000030284

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, 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-2026-000030284) never changes.

Identity and time

Publication numberOT-2026-000030284 · never reused
Internal UUID01a0ae73-e500-7cc4-b95b-ffb7784b1cfa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030284
StatusPUBLIC

Content hashes

Canonical textd6da614be4147105079147d5f47d201559f20f92df04e941f4d3906f53720bbf
Markdownf4dd83b0176b42d4c0ba205ef3a1f2346d779cb5daab7bacb2db31788203dd10
PDF
Publication page5d27dcdd7f0ee5d88292ec96d7994dfd7e099a11aef6a417614f9c2173758770
Manifestec5c52e710138993613ff6ccadc758d59a3aa6741cdc6b835abcda25c98b84a0

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
SignatureWRX9glwTF4ulj4lAYGI7sFxHU5ssOO9KoPVMRUUuOU57XehcV0DKv+/D2he4eQaPEn9OBR72WUl90GSZ7xz7DQ==
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

2026-09-17T11:40:47.258527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030284
observed 5d27dcdd7f0ee5d88292ec96d7994dfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:47.239758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030284/manifest.json
observed ec5c52e710138993613ff6ccadc758d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:47.222561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030284/publication.md
observed f4dd83b0176b42d4c0ba205ef3a1f234...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:47.203373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030284/publication.txt
observed d6da614be4147105079147d5f47d2015...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:57.141388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030284
observed 5d27dcdd7f0ee5d88292ec96d7994dfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:57.122360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030284/manifest.json
observed ec5c52e710138993613ff6ccadc758d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:57.105538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030284/publication.md
observed f4dd83b0176b42d4c0ba205ef3a1f234...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:57.087404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030284/publication.txt
observed d6da614be4147105079147d5f47d2015...
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.