OpenTechnical

OT-2026-000075928

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, vented before 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-2026-000075928) never changes.

Identity and time

Publication numberOT-2026-000075928 · never reused
Internal UUID01a0ae94-29ff-718f-a093-9d7828ec75f1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075928
StatusPUBLIC

Content hashes

Canonical text3ac5a8c30c7cd3b0f9ef4c605487e9b6aad916c597516f10834df239bf72a429
Markdowndaf4b3d7ac17e6f2a4f61e33b2dc01115e844f140a1173e6d3d4385ae4121fca
PDF
Publication page0cbfd5c92805c90939c000a4628666ce82869bab5e12b6387444518b5bd506bb
Manifest90ea5631f5a69380f9dd00c9a954732e21fd199bb0fe5e01815e80482b0c9199

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
SignaturenoCtAX+64DE8M6p96E+iEh16IfM1/wwp8n7JddxJ5rbcC7uaa6SfJaxIIF5aynlCd0vta2SzjxwrJKXDBZ48Dw==
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

2026-09-17T10:14:47.013028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075928
observed 0cbfd5c92805c90939c000a4628666ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:46.994271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075928/manifest.json
observed 90ea5631f5a69380f9dd00c9a954732e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:46.977624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075928/publication.md
observed daf4b3d7ac17e6f2a4f61e33b2dc0111...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:46.957654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075928/publication.txt
observed 3ac5a8c30c7cd3b0f9ef4c605487e9b6...
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.