OpenTechnical

OT-2026-000070821

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, 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-2026-000070821) never changes.

Identity and time

Publication numberOT-2026-000070821 · never reused
Internal UUID01a0ae91-8c2d-7ca7-9b25-a5289e78915c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070821
StatusPUBLIC

Content hashes

Canonical texta1725d3444e993d9bb5326a415993e6aa3ddd7e7976e3777fb4898923a1e9508
Markdownab165d8efbb7ff3ff78961ff9da09893a957b831a247aabdf122f52d2e7e7ccd
PDF
Publication pagee542a5236e1266af592367ebee4897628b271fad655923b745dbdc6c3245db53
Manifest540430e91b0366a249e33ffda08038da6de1e7580d78523407863c42618768df

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
Signature3vWGp2g0SBO2pbggQ+xTd3ff8+QWpxmZ8Z7OvdH7cbiH2g4JxHQgjbiBJEI9tlii9zW9jSZGDHdj/Ji0Fja9Ag==
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

2026-09-17T10:25:37.913122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070821
observed e542a5236e1266af592367ebee489762...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:37.895876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070821/manifest.json
observed 540430e91b0366a249e33ffda08038da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:37.880535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070821/publication.md
observed ab165d8efbb7ff3ff78961ff9da09893...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:37.863101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070821/publication.txt
observed a1725d3444e993d9bb5326a415993e6a...
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.