OpenTechnical

OT-2026-000036169

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed blow-off after 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-2026-000036169) never changes.

Identity and time

Publication numberOT-2026-000036169 · never reused
Internal UUID01a0ae77-01ce-7f1b-b10b-5387629878d9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036169
StatusPUBLIC

Content hashes

Canonical text631ea82389bbc6f540f4db4f367870d0c6639430b7d37a8ce1aba85bfe783d71
Markdown4d53f0c871be02d916a278679f16813782c53148828d1961c70c41d5bdd5ab38
PDF
Publication page4dc1ff7554a26ef4746297db0f259cfdd2e35df0574314b35b1c90f59c94dfeb
Manifest01859557b6f09e5a1437c2032bd9c8bed6be038546c92b1483909e28b148b705

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
SignatureRcoX8Ecd5jS6o97avT5+03kq0g0mWoWDTb353Hr5ajNcjsE497BiLfCndBk+XRmd8Bcxq4hMmHrDj7ahZKMrCA==
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

2026-09-17T11:26:23.857494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036169
observed 4dc1ff7554a26ef4746297db0f259cfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:23.840001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036169/manifest.json
observed 01859557b6f09e5a1437c2032bd9c8be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:23.823125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036169/publication.md
observed 4d53f0c871be02d916a278679f168137...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:23.806773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036169/publication.txt
observed 631ea82389bbc6f540f4db4f367870d0...
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.