OpenTechnical

OT-2026-000037641

Publication integrity record

Three cup vacuum gripper, three outlet manifold, 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-2026-000037641) never changes.

Identity and time

Publication numberOT-2026-000037641 · never reused
Internal UUID01a0ae77-b8cf-71eb-aa7e-067f48fe7261 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037641
StatusPUBLIC

Content hashes

Canonical text5b5685fc5c41590c35881f03de806d0541c436245767633f731d9253a21862b1
Markdowndc57f129e769f9e29c0aba41718513277e287720a59d53996419cfad0e7d3d39
PDF
Publication page379bc1b1c1a4879610e4105125c8db2a599f5d76393bd5a7fe1dc98d8a208c80
Manifestb0af6cc5fcb10c0f91add6d35c79ff0808f7447ec82b7474d893c438563ade2d

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
Signature55WKvMRn4dAJU73A2tThseqd9vsZO3pHKASVWhEyCWLypNTocg/RitYexbMoTqsqH29GgTW9CJvUXlST08vsAQ==
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

2026-09-17T11:24:12.687296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037641
observed 379bc1b1c1a4879610e4105125c8db2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:12.671271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037641/manifest.json
observed b0af6cc5fcb10c0f91add6d35c79ff08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:12.654271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037641/publication.md
observed dc57f129e769f9e29c0aba4171851327...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:12.634435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037641/publication.txt
observed 5b5685fc5c41590c35881f03de806d05...
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.