OpenTechnical

OT-2026-000083056

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, supply line 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-2026-000083056) never changes.

Identity and time

Publication numberOT-2026-000083056 · never reused
Internal UUID01a0ae97-c961-78d1-af39-62e2707223be · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083056
StatusPUBLIC

Content hashes

Canonical textf89c3f1f05b6a07126ddb88257634df299aef032e33d3c2423afb486caf4a1f8
Markdownd43594c5a68c0bdf20e3817a0681fa2f3b92eb551dcc1854308ad5cdb06d881c
PDF
Publication page9050b4ce9fb86cb5c912a1e08968b0e3ab3d50b77b477ef8d4964acc01a0272b
Manifestf126003dd1d5d19f537f0cecb1071e9ef9ae2b0638e161a34a9321c65202b1fc

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
SignatureSygi7QnbKsIfNdudf3sLYru3zbuNv73p6vShhm7GbThd6bU1xpKIndBvFlUUT2cwLCxpTJimoFjSVISxQCE4Bw==
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

2026-09-17T09:00:28.402317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083056
observed 9050b4ce9fb86cb5c912a1e08968b0e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:28.382468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083056/manifest.json
observed f126003dd1d5d19f537f0cecb1071e9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:28.364496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083056/publication.md
observed d43594c5a68c0bdf20e3817a0681fa2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:28.168102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083056/publication.txt
observed f89c3f1f05b6a07126ddb88257634df2...
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.