OpenTechnical

OT-2026-000075198

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented before set-down, on a tool changer

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-2026-000075198) never changes.

Identity and time

Publication numberOT-2026-000075198 · never reused
Internal UUID01a0ae93-f200-7ac0-8705-827a643f7d86 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075198
StatusPUBLIC

Content hashes

Canonical text40976f78e4431845773b9a3a6e812900ee8c5707a8d894a2db3c50f5c6cc38a3
Markdownf48f0cba81e3440fe9487fdf1aeb60825b784bea54fe28f4aadfe8ab4bf1e259
PDF
Publication page0ef10037334e0967bf065a43a40d7ea0ca296c4f357d8f723c8fd1bb4565e9ed
Manifest56a84cdbc9622837a9e7fce740e13b344473ae19ea7dd85fbc69e3beed768b67

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
Signaturear2kUaX4wvSuxSE1cVAm3rooaaJhv5wCZnkFetiDau8KrcjFA/JWJPitBEi4Sp3kmnnMUrtFA6dvVu/KywvBCw==
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

2026-09-17T10:20:27.266390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075198
observed 0ef10037334e0967bf065a43a40d7ea0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:27.247005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075198/manifest.json
observed 56a84cdbc9622837a9e7fce740e13b34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:27.228601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075198/publication.md
observed f48f0cba81e3440fe9487fdf1aeb6082...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:27.209994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075198/publication.txt
observed 40976f78e4431845773b9a3a6e812900...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:39.974700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075198
observed 0ef10037334e0967bf065a43a40d7ea0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:39.954196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075198/manifest.json
observed 56a84cdbc9622837a9e7fce740e13b34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:39.813501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075198/publication.md
observed f48f0cba81e3440fe9487fdf1aeb6082...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:39.789448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075198/publication.txt
observed 40976f78e4431845773b9a3a6e812900...
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.