OpenTechnical

OT-2026-000031469

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, pulsed blow-off after 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-2026-000031469) never changes.

Identity and time

Publication numberOT-2026-000031469 · never reused
Internal UUID01a0ae74-87ae-7cde-b457-2fd07a9e56ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031469
StatusPUBLIC

Content hashes

Canonical textf66bed634249440b9649b241f30cf0df97c432d4651d57f2a9ccba2b45bc7674
Markdownd35177485e04ff1c5921462b981ca46112304fdeb05ca0bfb492d3eb83c3323f
PDF
Publication page1d731533242878fa7157ac6b9abdb080934a60c167974c7f94bb68ef1dc198c8
Manifesta135c52d9c5454362abe9b37cacd90bbb6b418298d47bf6196ff95e5a8efe0f1

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
Signature/w1xyxyjzM8UXp3/gz9ItXrKWC8/b0Xm5ytCUknCXHFj6NLILAd4Ee848ZVDOPIIeNzvjP2Xgt2f4QUlvJCJDQ==
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

2026-09-17T11:36:12.033240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031469
observed 1d731533242878fa7157ac6b9abdb080...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:12.013863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031469/manifest.json
observed a135c52d9c5454362abe9b37cacd90bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:11.994734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031469/publication.md
observed d35177485e04ff1c5921462b981ca461...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:11.979152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031469/publication.txt
observed f66bed634249440b9649b241f30cf0df...
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.