OpenTechnical

OT-2026-000081886

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, 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-2026-000081886) never changes.

Identity and time

Publication numberOT-2026-000081886 · never reused
Internal UUID01a0ae97-0f76-7856-9aef-96ccaee572e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081886
StatusPUBLIC

Content hashes

Canonical textbce801e64d49b2398169deb5f0d2d54325f6ea890c5bbdf2aa9cf5faa36f7d62
Markdown3dc4c174ccc1c0b5059f883c9fd9c970920cebde3d5a7412860ff5ff5f97750a
PDF
Publication pagebff04814dc7a43f1358ef19241da8ce46f3d9d2e5a2309fb50516ce4c48005fc
Manifest4f3cb1bbdc09a869ca8b8c2946ff74d127750bd31ed0f0a5b9e4b5f653db4249

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
SignaturepnQBTrAn9m7lxJKjl52kPYexo48o1im7nmkEEs378UzpOEZZatN+hpUNuFeZp+ym+kP1iCNunxYFYeN7taSCBQ==
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

2026-09-17T10:01:00.476179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081886
observed bff04814dc7a43f1358ef19241da8ce4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:00.458118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081886/manifest.json
observed 4f3cb1bbdc09a869ca8b8c2946ff74d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:00.440714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081886/publication.md
observed 3dc4c174ccc1c0b5059f883c9fd9c970...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:00.424649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081886/publication.txt
observed bce801e64d49b2398169deb5f0d2d543...
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.