OpenTechnical

OT-2026-000087697

Publication integrity record

Four cup vacuum gripper, four zone face, single stage ejector, supply line pressure sensor, sustained 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-2026-000087697) never changes.

Identity and time

Publication numberOT-2026-000087697 · never reused
Internal UUID01a0ae9a-cd54-79db-88b7-08fa5100a864 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087697
StatusPUBLIC

Content hashes

Canonical textaa07f88293dc61f4cdced30804577adaa3d7c76c380da4eb2f652ad38e7c937e
Markdowncdded94229afabb81e96d26f45a77db9721b63365566984caabeae25283f6a4f
PDF
Publication paged124d3da8852f4d8cac7906bc4b6d0be3785a99fc222493c0458d5f9eeb3b289
Manifesta7d22be422c87de7afdb9d47392866c091a34afc2dd597b705c40b509b92f5dc

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
SignatureDI5OIGfj6uJ8d8fY8m0M9Uxw3SVEvs0KPzU4v4p3be00/QDtmSw+5ec/wImOPTZ6KkCnxP2YH4RKnKG93g29Dw==
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

2026-09-17T09:51:08.809661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087697
observed d124d3da8852f4d8cac7906bc4b6d0be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:08.794143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087697/manifest.json
observed a7d22be422c87de7afdb9d47392866c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:08.778184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087697/publication.md
observed cdded94229afabb81e96d26f45a77db9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:08.762782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087697/publication.txt
observed aa07f88293dc61f4cdced30804577ada...
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.