OpenTechnical

OT-2026-000092239

Publication integrity record

Three cup vacuum gripper, three zone face, single stage ejector, 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-2026-000092239) never changes.

Identity and time

Publication numberOT-2026-000092239 · never reused
Internal UUID01a0ae9d-875a-7888-b8bc-2f83c8bcd328 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:54.538201Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092239
StatusPUBLIC

Content hashes

Canonical text94b7080e6b14bbe8fb147287c941b73351c5eb7741ccdaec84b36c0660030afc
Markdown08e40247563d2fc69b825e4dd1ef23df17c50bc32282851decd1bffb6437edfb
PDF
Publication pagef67d238f0467b0ed2620f80cd8133d6554abca32063a7fe6ed35045e02dadf31
Manifest1a4e85df5f7fefe3ac267f2824b424ed334edaa78d49af19de29ecfa64259797

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
SignatureeXVEFCFrgupoe1bNFVwGZEdJpGUTJ3ahUt8DTAI+D7Nw32Uoiq0Kw+rLMZrObIfFwcb3dLpZYX38Z5+hEMokDA==
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

2026-09-17T09:41:45.591758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092239
observed f67d238f0467b0ed2620f80cd8133d65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:45.574510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092239/manifest.json
observed 1a4e85df5f7fefe3ac267f2824b424ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:45.554289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092239/publication.md
observed 08e40247563d2fc69b825e4dd1ef23df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:45.535946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092239/publication.txt
observed 94b7080e6b14bbe8fb147287c941b733...
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.