OpenTechnical

OT-2026-000104250

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three stage ejector, pulsed blow-off 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-2026-000104250) never changes.

Identity and time

Publication numberOT-2026-000104250 · never reused
Internal UUID01a0aea5-3420-7495-9590-754ed1bee6e4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104250
StatusPUBLIC

Content hashes

Canonical text08dd3077596864a95b8ec88407e4760c2428b9055c9bfd41f8f5e92944fe6c07
Markdowna3682d20b79f2263f9c7faaba07886ae3a6075ad13ad981d267edbc70f38d6b1
PDF
Publication page687740ed66d1f41c6ef27d23af980efc483ad99827e522532de7a673e88b1129
Manifest802a4ba3d10c06f7e3b8d63436bc3c15f81e0dc81f1af1b83d8a80024799c0aa

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
SignaturezobnAi1NO+mVDwJbOTFCdZqNBA3HDpEdto3Y4r+WZLm2zvA9kLKOQR+sj4xxseVIK/FyazD7Eq3txKoQUYhDCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:20:21.676672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104250
observed 687740ed66d1f41c6ef27d23af980efc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:21.659522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104250/manifest.json
observed 802a4ba3d10c06f7e3b8d63436bc3c15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:21.640721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104250/publication.md
observed a3682d20b79f2263f9c7faaba07886ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:21.622628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104250/publication.txt
observed 08dd3077596864a95b8ec88407e4760c...
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.