OpenTechnical

OT-2026-000019609

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000019609) never changes.

Identity and time

Publication numberOT-2026-000019609 · never reused
Internal UUID01a0ae6f-1fb2-7193-8924-f772f7a9a6c5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019609
StatusPUBLIC

Content hashes

Canonical textaf24cc637b68b0b7eeb4182b38b03da8358c639f81c6ef62fe834fd8448ff3a4
Markdown34c78ac3ed9a8da1f03b38dafe4a539bc81e8cdf7384db65457f4616f1c6298d
PDF
Publication pagef910954b6451cad5f8b5ea1cf6d548fa9e8df907365b53080cc5e0398aaa6c5c
Manifest216aec366c7afddcff412f55f8660252413814215c3b435aa9290daa040734ee

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
Signature/9b6A2a57nfrpMXNOgB0elVs7e1nww+52ekIy6bJMMrVAoY0yxJBvqP/qMqksCJzUqF9PDueZP0tTBUHUk8eBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:00:44.959820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019609
observed f910954b6451cad5f8b5ea1cf6d548fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:44.942667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019609/manifest.json
observed 216aec366c7afddcff412f55f8660252...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:44.926817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019609/publication.md
observed 34c78ac3ed9a8da1f03b38dafe4a539b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:44.911429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019609/publication.txt
observed af24cc637b68b0b7eeb4182b38b03da8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:39.425304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019609
observed f910954b6451cad5f8b5ea1cf6d548fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:39.403383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019609/manifest.json
observed 216aec366c7afddcff412f55f8660252...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:39.378153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019609/publication.md
observed 34c78ac3ed9a8da1f03b38dafe4a539b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:39.355101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019609/publication.txt
observed af24cc637b68b0b7eeb4182b38b03da8...
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.