OpenTechnical

OT-2026-000036679

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000036679) never changes.

Identity and time

Publication numberOT-2026-000036679 · never reused
Internal UUID01a0ae77-46e8-7bc4-bb6e-0cc97414124f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:07.671965Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036679
StatusPUBLIC

Content hashes

Canonical text613e1eeb3b8616cbe57aa362f6e4ce02d98b076af007629be9ad77094922aa20
Markdowne0fea2e359662947fc0ebbdbdc1e27f1e9abffb89f258e4379620a3a997e5560
PDF
Publication page08221745fc395cae56b5d8835c6d6584fd13a61582afbf1c94bc32557bdca70d
Manifestd3555c047b44ed4d8b46f70c042aca0098f66351d22daf303744c2bf9a7d88b4

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
Signature1aPSVDAWdifJzbflWQQTkOOskBkkBsHdluJHZ0QSyPVPzTgCMu0Z7h5/dNOdr1VsOtOot4gOzCF3bnBaTDgYBA==
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

2026-09-17T11:26:02.082262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036679
observed 08221745fc395cae56b5d8835c6d6584...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:02.066047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036679/manifest.json
observed d3555c047b44ed4d8b46f70c042aca00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:02.047510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036679/publication.md
observed e0fea2e359662947fc0ebbdbdc1e27f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:02.030885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036679/publication.txt
observed 613e1eeb3b8616cbe57aa362f6e4ce02...
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.