OpenTechnical

OT-2026-000073307

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, supply line 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-2026-000073307) never changes.

Identity and time

Publication numberOT-2026-000073307 · never reused
Internal UUID01a0ae92-efb7-75f8-916f-121c410fff02 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073307
StatusPUBLIC

Content hashes

Canonical text7b50627658394c9b4f7a7f3c39d43bfff2b9690902527aae3486907f539616cc
Markdown064267c4d23ef7d6d1fa2ecbd26976c9c10c83faa1efc8a3cf715fcc80ebf0e1
PDF
Publication pageace2c2c7bc72c5ef5775bf1c9a3526c74a6919baabc1857e5c07f8e20bbf9d0e
Manifestb02be42ef935af93a37314020ec4089667fd507ee9ba4213a349ec9a903e0024

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
Signature3zjcQ6ih5W+7qsAsevpaL8yyQ0xqSV8L2//nSgtJRrYEJtUICXNKEF525L93POn5dVuKy1Nt9KHchaWZd2r2BQ==
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

2026-09-17T10:21:19.059782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073307
observed ace2c2c7bc72c5ef5775bf1c9a3526c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:19.042942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073307/manifest.json
observed b02be42ef935af93a37314020ec40896...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:19.025362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073307/publication.md
observed 064267c4d23ef7d6d1fa2ecbd26976c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:19.007092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073307/publication.txt
observed 7b50627658394c9b4f7a7f3c39d43bff...
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.