OpenTechnical

OT-2026-000088230

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off 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-2026-000088230) never changes.

Identity and time

Publication numberOT-2026-000088230 · never reused
Internal UUID01a0ae9b-1aa9-74ed-a508-a2b39f54464d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088230
StatusPUBLIC

Content hashes

Canonical text51a5454265436f1645ad55f745ea52e97bb628133c4f79e5aa1a3310d4427108
Markdown39c3fdf2af73907130aadfb0a5a8484faaa05e962f211b2b9c59671e06e6f2ae
PDF
Publication page484c5ede27f3fd03bc1123ffcc98c59717d15d425297b5279942f507ebe19221
Manifestad1115b60efdb90db06a896dccb8352119ab82c49e43462f12ccf21ba832c4cd

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
Signatures501hA0NJ+SifTilrcinB7OEq/Ksuk227qa/aH0J8MLowmZUJjG6u3REiU56mr0BtmPGb8MODi1teO5CnZ6vDw==
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

2026-09-17T09:50:19.871862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088230
observed 484c5ede27f3fd03bc1123ffcc98c597...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:19.853923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088230/manifest.json
observed ad1115b60efdb90db06a896dccb83521...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:19.834409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088230/publication.md
observed 39c3fdf2af73907130aadfb0a5a8484f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:19.811905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088230/publication.txt
observed 51a5454265436f1645ad55f745ea52e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:19.447097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088230
observed 484c5ede27f3fd03bc1123ffcc98c597...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:19.423094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088230/manifest.json
observed ad1115b60efdb90db06a896dccb83521...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:19.391862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088230/publication.md
observed 39c3fdf2af73907130aadfb0a5a8484f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:19.372785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088230/publication.txt
observed 51a5454265436f1645ad55f745ea52e9...
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.