OpenTechnical

OT-2026-000081372

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, vented after set-down

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-2026-000081372) never changes.

Identity and time

Publication numberOT-2026-000081372 · never reused
Internal UUID01a0ae96-f375-7133-b9f1-2c3b771a0b5b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081372
StatusPUBLIC

Content hashes

Canonical texta78a7e8ca31eb874ec35dfc1b771d92062dc69a8d936b10765d9792fe9468820
Markdownd6ee93b6c404efd2e658bc3b32163563c6d5201f4c6fa7c60f9422ed691ec266
PDF
Publication pagedaab5be15cadccdc3feace95f83e0c87a43f1955ace6b89b5211351c1fd461c9
Manifestbd66484a394bd253ce0a997e213779d56bb38bb4baa07955c6eed0b161a8c959

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
Signature8BlL39Chr46IFnrAK9IUE5wivFyiFmx4d5siHjbXaP/F1nePmWNArfvvHvzdMy21vRzdWCtIuEYcRlFqMMpwAw==
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

2026-09-17T10:01:30.551128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081372
observed daab5be15cadccdc3feace95f83e0c87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:30.531194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081372/manifest.json
observed bd66484a394bd253ce0a997e213779d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:30.514370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081372/publication.md
observed d6ee93b6c404efd2e658bc3b32163563...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:30.496298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081372/publication.txt
observed a78a7e8ca31eb874ec35dfc1b771d920...
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.