OpenTechnical

OT-2026-000081350

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, supply line pressure sensor, vented after 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-2026-000081350) never changes.

Identity and time

Publication numberOT-2026-000081350 · never reused
Internal UUID01a0ae96-f374-73e7-9e0c-d1cacbebb40d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081350
StatusPUBLIC

Content hashes

Canonical text467ab1be2ed83d3f05f7787ffd33fa6853c1151793232ef788409f53f1bdf74e
Markdown00195887d5d1dce8a54ee64e10f93fa6df348361f8678d06d3b40197904b31b0
PDF
Publication page93f13609bed60d175dbfa19be9216698cec3a81b12fdffcd0c5dc40557d9ca46
Manifesta86f3e28f30aa7dbfc504526e190f26efe6214c8c731f0718fc78ed4403bfcc6

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
Signature6UTNt36X7Bo+o6lMQ6D3t1iP0m05gf196pMRqDnd5IyaYzlojwH7vg+tcx7mW1vwT7ysNFZoG+Hsx+egF648DA==
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

2026-09-17T10:01:28.703175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081350
observed 93f13609bed60d175dbfa19be9216698...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:28.684986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081350/manifest.json
observed a86f3e28f30aa7dbfc504526e190f26e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:28.667843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081350/publication.md
observed 00195887d5d1dce8a54ee64e10f93fa6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:28.650455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081350/publication.txt
observed 467ab1be2ed83d3f05f7787ffd33fa68...
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.