OpenTechnical

OT-2026-000030129

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off before set-down

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-2026-000030129) never changes.

Identity and time

Publication numberOT-2026-000030129 · never reused
Internal UUID01a0ae73-e4ff-7cf9-b7e5-1f0aa9430539 · 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-2026-000030129
StatusPUBLIC

Content hashes

Canonical texte91be3483469b256d196d5ded434146b43cb3626c660150566f92ccd0d0f5a33
Markdown7e0b3d8544c1ed02123f35850d4f6bca0f00ea254dc3946c3b8da8261ccfaf21
PDF
Publication page3076cae31dce477e3e21f21a96d26855ce9c0762fe029e064c18f7b4010d7958
Manifest9c8e33535bcf8d8aaa5efcd8c939ea05ebae0071984564d3decca2f6e66ca75e

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
Signature3S5+0F8hUwK2FcaIRB0MEc2TrsbA9yY3w7BQR9ZEc/Bbfqf0vNPPhXTeUuLwaGtltqxUpu/njd9aBl1jtuIhDA==
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

2026-09-17T11:40:22.103396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030129
observed 3076cae31dce477e3e21f21a96d26855...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:22.084949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030129/manifest.json
observed 9c8e33535bcf8d8aaa5efcd8c939ea05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:22.023637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030129/publication.md
observed 7e0b3d8544c1ed02123f35850d4f6bca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:21.968016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030129/publication.txt
observed e91be3483469b256d196d5ded434146b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:44.027188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030129
observed 3076cae31dce477e3e21f21a96d26855...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:44.006694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030129/manifest.json
observed 9c8e33535bcf8d8aaa5efcd8c939ea05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:43.987319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030129/publication.md
observed 7e0b3d8544c1ed02123f35850d4f6bca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:43.841003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030129/publication.txt
observed e91be3483469b256d196d5ded434146b...
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.