OpenTechnical

OT-2026-000071160

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, 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-2026-000071160) never changes.

Identity and time

Publication numberOT-2026-000071160 · never reused
Internal UUID01a0ae91-e0eb-74bb-b31b-f0e37225b4ab · 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-2026-000071160
StatusPUBLIC

Content hashes

Canonical text38168bede2d05ed484c0a67fd0959335d28bcc25bf456f818488284f4af11b7a
Markdown40f5fa90e387d27034d8f418ebe6772cd5004f5b3f293be007de595ea1155bd6
PDF
Publication page381c8c09e7f1de64e5feb78cdf1b3cd69a3e7d6b35d3dc31c67822f611da58fa
Manifest3180e00b22d99502592e79719c82acfd01b13450317e7872e3cef869e7a508c7

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
SignaturejgwLzGYuICIdQr6By0njChz6Ua10lBM8kOjHeFxtqkzpjw0hzfrQO3RH3xK62PqDThApEcNpudcqoixhlnirAw==
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

2026-09-17T10:24:40.027056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071160
observed 381c8c09e7f1de64e5feb78cdf1b3cd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:40.009507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071160/manifest.json
observed 3180e00b22d99502592e79719c82acfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:39.991734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071160/publication.md
observed 40f5fa90e387d27034d8f418ebe6772c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:39.974698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071160/publication.txt
observed 38168bede2d05ed484c0a67fd0959335...
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.