OpenTechnical

OT-2026-000071287

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off 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-2026-000071287) never changes.

Identity and time

Publication numberOT-2026-000071287 · never reused
Internal UUID01a0ae91-e0ec-7056-91bd-b14e20ca98d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071287
StatusPUBLIC

Content hashes

Canonical textac51449f69cbf0cb242c5fca7bb8e26a9532e82fef992c90a31bd46fa4c8357e
Markdown2efd5e4120b3870b825b54d2e07ac22c58bcd5d2b5b94496822f02777cd527ea
PDF
Publication page4797291997356245412a37a50749dc2c1b883ee445c0c95111ffa76c0dcd233f
Manifest72330f5658e1bb0b6493c1db9dabbdacde76b77fb56749f8993a2b0e4a931a8d

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
Signatureexy0TpHB5psGxOXFegyb/6kf5FVZg+jy/Z4CJioD+yHGzjplG7rw5lGfnH91z3KjUQ1NG10AkAuM5GORMhY4CQ==
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

2026-09-17T10:24:51.027442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071287
observed 4797291997356245412a37a50749dc2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:51.008423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071287/manifest.json
observed 72330f5658e1bb0b6493c1db9dabbdac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:50.990836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071287/publication.md
observed 2efd5e4120b3870b825b54d2e07ac22c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:50.963955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071287/publication.txt
observed ac51449f69cbf0cb242c5fca7bb8e26a...
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.