OpenTechnical

OT-2026-000007167

Publication integrity record

Vacuum cup gripper, ejector fed, contact triggered, vented after set down, silicone cups, flat form

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-2026-000007167) never changes.

Identity and time

Publication numberOT-2026-000007167 · never reused
Internal UUID01a0a975-20a3-7b1e-b0fd-ea6d90e2935d · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:03:40.710209Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007167
StatusPUBLIC

Content hashes

Canonical text7abf6ea0999357fb617361a5c239442e9465106e3cd392d1d0a581e2d8ea1db5
Markdown1c8d174cb46c2079fd78c65e1d358fd1ac05d82555f6374eb33f16c955623128
PDF
Publication pageb8463eaced1a27b33a925b8b86f768cbcc44cdeb28bb6198ac8e4e41843cd5f8
Manifest150f70f0324009be16af4d7ff78cf121497b9537e3710695a09c249080363eba

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
SignatureCc3u/eXXpK8ShwjBLXAZUo70+K4ES7/QeKRkxJ35UhebUsSPjjnR5Ow30hzknLMSR18bJAONyWaPhmaAH1oiBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:10:19.922452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007167
observed b8463eaced1a27b33a925b8b86f768cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:19.909317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007167/manifest.json
observed 150f70f0324009be16af4d7ff78cf121...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:19.896195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007167/publication.md
observed 1c8d174cb46c2079fd78c65e1d358fd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:19.882443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007167/publication.txt
observed 7abf6ea0999357fb617361a5c239442e...
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.