OpenTechnical

OT-2026-000063193

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, manifold pressure sensor, vented 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-2026-000063193) never changes.

Identity and time

Publication numberOT-2026-000063193 · never reused
Internal UUID01a0ae8c-94ab-769d-854d-ddab96c5b9af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063193
StatusPUBLIC

Content hashes

Canonical text36b63fb9319ee765e2a0e736d23039811db5d507f101a35d28ffbc145d0a038f
Markdown960cdbebd8437927e9bf88b01c0334221880619c5f92b8821a272c8156618d45
PDF
Publication page4fa3c8368a35fd4003c9f0ca60b4149a28ef96f0705d6f8d18473dc81bc8747f
Manifestbff171f8e1f45335fb98796db31fa48e3a526aa08de1c1960cf0a90d7a7d3823

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
SignaturemBC6wRtlaeb4Wkz/R5pAbrsPbq4e3HKlHHhejT8PQ3yl9khJwkt1SWZ0uZa1oELDm6VEfzCqErgsTRq72F54Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:38:59.397979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063193
observed 4fa3c8368a35fd4003c9f0ca60b4149a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:59.380092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063193/manifest.json
observed bff171f8e1f45335fb98796db31fa48e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:59.361787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063193/publication.md
observed 960cdbebd8437927e9bf88b01c033422...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:59.343538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063193/publication.txt
observed 36b63fb9319ee765e2a0e736d2303981...
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.