OpenTechnical

OT-2026-000075155

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, pump fed, manifold 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-2026-000075155) never changes.

Identity and time

Publication numberOT-2026-000075155 · never reused
Internal UUID01a0ae93-f1ff-7e80-84a8-89f5cd71577e · 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-2026-000075155
StatusPUBLIC

Content hashes

Canonical texte89ce940a9b502866b220359390d236727066aead69c966bc63d0b1960713892
Markdown6716389d2234306ff81f020ec31f6ce8e1ed32eafa1b17a491efad4c0612d9e3
PDF
Publication page86c4298cd82a29c88d3113fdc0278b7e21291b5d3d967befb9ab68d646063050
Manifestc10a9fe753841a2294785147d4b830c9f137ab6d623df48f9b4779db278aa563

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
SignaturezCel6AmyBwXHg1eK3Xv7exG051YC1vm8uwws0V5BVgq83xgefm0UWYoD+D8SVMPMZF571wGhGosMuRRLlrTWAA==
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

2026-09-17T10:20:23.648626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075155
observed 86c4298cd82a29c88d3113fdc0278b7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:23.620962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075155/manifest.json
observed c10a9fe753841a2294785147d4b830c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:23.594287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075155/publication.md
observed 6716389d2234306ff81f020ec31f6ce8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:23.575338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075155/publication.txt
observed e89ce940a9b502866b220359390d2367...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:28.977260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075155
observed 86c4298cd82a29c88d3113fdc0278b7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:28.957505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075155/manifest.json
observed c10a9fe753841a2294785147d4b830c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:28.809769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075155/publication.md
observed 6716389d2234306ff81f020ec31f6ce8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:28.787253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075155/publication.txt
observed e89ce940a9b502866b220359390d2367...
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.