OpenTechnical

OT-2026-000084012

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000084012) never changes.

Identity and time

Publication numberOT-2026-000084012 · never reused
Internal UUID01a0ae98-5b5d-722b-a1a1-0f7ad064b18b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084012
StatusPUBLIC

Content hashes

Canonical text4c93cfc4dd269800bf8a7e5d0eb586c71cb5ae06b1ed4306983032ae3fe6f7a6
Markdown08ccfca30f9b7e483229fab77c1458c32907035671ef5eb369069e6cf300d2dd
PDF
Publication pagea7ac2177a7778bf74eb251adb4fa51d04e0106cc6b8f8f832514412c771b287a
Manifest4310329350ea5374f2f85445c3c012cc3733785ba1e2b677e743b46d3c5c1593

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
Signature5HIctRScltGUTNpk6OpAjAhia+JtVg0ocjGxm9eTogn6HbIiggNjnzwocGVB7o5OnY4bbBPd9GtsQtvwZtNEAw==
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

2026-09-17T09:55:43.852821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084012
observed a7ac2177a7778bf74eb251adb4fa51d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:43.834735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084012/manifest.json
observed 4310329350ea5374f2f85445c3c012cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:43.815926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084012/publication.md
observed 08ccfca30f9b7e483229fab77c1458c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:43.796495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084012/publication.txt
observed 4c93cfc4dd269800bf8a7e5d0eb586c7...
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.