OpenTechnical

OT-2026-000019658

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, two 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-2026-000019658) never changes.

Identity and time

Publication numberOT-2026-000019658 · never reused
Internal UUID01a0ae6f-1fb3-7cad-b391-0ee191633998 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019658
StatusPUBLIC

Content hashes

Canonical text35b89f20439ff26192edbb625165c997dc358a76049a59206866ba3631d6ebcb
Markdown05e90ac48a472079e21686de9c61dcad7ac3c02bf31ca5e753c3b3189ca99e52
PDF
Publication pageb021c3298530dc759b71e0b467331016c5c0b48340a3dfe78be164b797a0b5d4
Manifest2d497ac172960c6e492eca707f3fee2aff95facb1b697b63522ae0a464f6af9b

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
SignatureQOTIggSktbFET0TuNVXBVhdstKk3iCQJ0GXuyJ69+Q/RgR86KrgjjbjYEpr1/tEkgntV/naz3/EHL4E9axp6Aw==
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

2026-09-17T11:57:43.340121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019658
observed b021c3298530dc759b71e0b467331016...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:43.322445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019658/manifest.json
observed 2d497ac172960c6e492eca707f3fee2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:43.304479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019658/publication.md
observed 05e90ac48a472079e21686de9c61dcad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:43.287897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019658/publication.txt
observed 35b89f20439ff26192edbb625165c997...
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.