OpenTechnical

OT-2026-000033715

Publication integrity record

Foam pad vacuum gripper, two zone face, single stage ejector, supply line pressure sensor, pulsed 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-2026-000033715) never changes.

Identity and time

Publication numberOT-2026-000033715 · never reused
Internal UUID01a0ae75-a390-7149-a747-ec3a632412bf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033715
StatusPUBLIC

Content hashes

Canonical texta1a8f677ce2d7efa904b31fb9e9f4727a28ee6d9eccf47eb7caf0b12373f6283
Markdown363deb5811e13453bf698becebe469986ad6f02d25f06b7546db976449dacba7
PDF
Publication page09000360446d9508da0b2450c1b6c876f14161b549162c5bca03183077e78843
Manifesta426cc50c96153bf8c776b375b859ea8367572a194f33de6e171112399ad0612

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
SignatureRr4Q6ANVgc4t2oGPU88KcP1jLYQ9AvcL/EAdvK1Xo7ZBjH0zwme1930HkVRKX8ZvtFI74TWmR316tBVrCBi0Ag==
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

2026-09-17T11:31:42.928637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033715
observed 09000360446d9508da0b2450c1b6c876...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:42.911810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033715/manifest.json
observed a426cc50c96153bf8c776b375b859ea8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:42.893917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033715/publication.md
observed 363deb5811e13453bf698becebe46998...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:42.875412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033715/publication.txt
observed a1a8f677ce2d7efa904b31fb9e9f4727...
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.