OpenTechnical

OT-2026-000080078

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, 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-2026-000080078) never changes.

Identity and time

Publication numberOT-2026-000080078 · never reused
Internal UUID01a0ae96-4378-78d1-ae66-8186b30a5f5c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080078
StatusPUBLIC

Content hashes

Canonical texte7c36914cc4ebe7d692ff697297ba28b31e75dd478a94152dad53ad7f03ef38a
Markdown496d781ce8cd8b34588613fec0206d3ca150fe60bee4d27e985c9444facd638e
PDF
Publication pagee9434c5a8315cdb49d7ead3a292b50303e08bcaa0f52962807b7813e4ee97d4a
Manifest7f9cb5b7f852030e6bb259ead6195f737ae492166922c6ea9435842e24d023b9

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
SignatureSibpTLRuR+diNrDhh/9YvJOYzh7+z3pshoPoMVQhz+D8FQ3Ta/1RmeI5dyb1eK4hI7WPg02tC2ix1wvP79SCBg==
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

2026-09-17T10:04:00.892411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080078
observed e9434c5a8315cdb49d7ead3a292b5030...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:00.872422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080078/manifest.json
observed 7f9cb5b7f852030e6bb259ead6195f73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:00.854537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080078/publication.md
observed 496d781ce8cd8b34588613fec0206d3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:00.836400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080078/publication.txt
observed e7c36914cc4ebe7d692ff697297ba28b...
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.