OpenTechnical

OT-2026-000076852

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented before 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-2026-000076852) never changes.

Identity and time

Publication numberOT-2026-000076852 · never reused
Internal UUID01a0ae94-b070-7180-bd79-0aaf22eb17d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076852
StatusPUBLIC

Content hashes

Canonical texteddcc280bfb157ad44bcb0761aa094f11c64284ef0f3bc674d7d40366720017e
Markdown013eb3f26746cfeafa6b205462ecb609ddeff48e767650df4292bf3606699d5a
PDF
Publication page3727e7f89772abef11bd7ba77b181a28345f48966bd7e814f40565401a332780
Manifestbc74be133d01a328fb5c27aca4032ee0096e383e65b7f435038687bcb7bd940d

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
Signature7jyDw1f/BRQ8VlpkYjF4Y++Jn+N9eXmb7y447H46QdOg4/LthIPugE4AeKkb6jJP0vMyWa1KxUf/ll2Pg2U5Bg==
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

2026-09-17T10:09:44.469010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076852
observed 3727e7f89772abef11bd7ba77b181a28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:44.450217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076852/manifest.json
observed bc74be133d01a328fb5c27aca4032ee0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:44.431037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076852/publication.md
observed 013eb3f26746cfeafa6b205462ecb609...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:44.412417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076852/publication.txt
observed eddcc280bfb157ad44bcb0761aa094f1...
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.