OpenTechnical

OT-2026-000073010

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line 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-2026-000073010) never changes.

Identity and time

Publication numberOT-2026-000073010 · never reused
Internal UUID01a0ae92-c815-7499-946e-789185c24934 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073010
StatusPUBLIC

Content hashes

Canonical text583f92c7902b8e59ad661e95f47d59ff66b1fcf2a893f71422b349023e11f73e
Markdown57237b80fe6cb48bd5619e680855d08f70af896e1eb07822032d64ef7534c568
PDF
Publication page375480d1c39e90730941b87de57b88605665b92f877632dc072a4424ea9f99fb
Manifest92377faa01fdcecf03b3cddd507c77ec4d6d8e97cb96c0354b4187bb22a33d18

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
Signature40Ax4rfaVkUkg7is/dUsQ9bso1uXxwcp1/YoQYpJgCIaWZNE5CbFIxYD6QkQgpxHN9UxPRD9Bd9fpMFWbCpzBA==
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

2026-09-17T10:21:56.776783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073010
observed 375480d1c39e90730941b87de57b8860...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:56.759021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073010/manifest.json
observed 92377faa01fdcecf03b3cddd507c77ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:56.742927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073010/publication.md
observed 57237b80fe6cb48bd5619e680855d08f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:56.725409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073010/publication.txt
observed 583f92c7902b8e59ad661e95f47d59ff...
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.