OpenTechnical

OT-2026-000083858

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump 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-2026-000083858) never changes.

Identity and time

Publication numberOT-2026-000083858 · never reused
Internal UUID01a0ae98-0418-741a-8f81-a73fcc20d07a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083858
StatusPUBLIC

Content hashes

Canonical textb4a323c10a2513fd8e8d4bf72bfb74dca707dbbe05c5eb3b257dbd0d9dd96dfb
Markdown5feda16cdcda951ace898fa726646d61d9b8b1208b6bcbdd8ed9df92ce7c0a20
PDF
Publication page1bca322ad2c3fd1cc1a96f58523156275235db001873c8b89aea4bb49c0ed793
Manifest24a96ce34411b238ee6d5a823e28d493a8c6a23a7a71b58e8ed94d5cc44ff7b1

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
SignatureVZf08M7dpUTZ5IwKlNWBIthGzX+aUJPYGLfNNYEYICudsAHUy+1gYrl4vqwqcTmKWlOVg/weFohXJAlN0YYmBQ==
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

2026-09-17T10:00:09.551951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083858
observed 1bca322ad2c3fd1cc1a96f5852315627...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:09.529585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083858/manifest.json
observed 24a96ce34411b238ee6d5a823e28d493...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:09.509364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083858/publication.md
observed 5feda16cdcda951ace898fa726646d61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:09.380053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083858/publication.txt
observed b4a323c10a2513fd8e8d4bf72bfb74dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:31.121933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083858
observed 1bca322ad2c3fd1cc1a96f5852315627...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:31.105546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083858/manifest.json
observed 24a96ce34411b238ee6d5a823e28d493...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:31.088263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083858/publication.md
observed 5feda16cdcda951ace898fa726646d61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:31.060482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083858/publication.txt
observed b4a323c10a2513fd8e8d4bf72bfb74dc...
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.