OpenTechnical

OT-2026-000063057

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, vented after 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-2026-000063057) never changes.

Identity and time

Publication numberOT-2026-000063057 · never reused
Internal UUID01a0ae8c-94a9-7146-876f-8baf0b672e20 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063057
StatusPUBLIC

Content hashes

Canonical texte1515e0882f3391a49b8c437b1cc5d4c0113ba7fa28c3c79687fc60fa5057c09
Markdown2d81e3aabf0c57ad4f98070cef00ffda0e0bcab1d49b0e8dc2bcab3a47004387
PDF
Publication page33d4951117b2182caadb1ea0f7cdf314294caf830094b306de08836a2dbde99d
Manifest1ca0ce380ef36e5ff541694444d020f49340f148c6fa99f246b3070b852a1085

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
Signaturez4JCpUfN1MTGYyefNf28Mvl7UGXSEG0n9Wbs/yTDBYTJj9fmkyUQilELm8uXSZGQcWyKDH6yMUA/7b5DoHORAg==
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

2026-09-17T10:40:43.594524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063057
observed 33d4951117b2182caadb1ea0f7cdf314...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:43.573730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063057/manifest.json
observed 1ca0ce380ef36e5ff541694444d020f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:43.552999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063057/publication.md
observed 2d81e3aabf0c57ad4f98070cef00ffda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:43.533019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063057/publication.txt
observed e1515e0882f3391a49b8c437b1cc5d4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:49.241431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063057
observed 33d4951117b2182caadb1ea0f7cdf314...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:49.222198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063057/manifest.json
observed 1ca0ce380ef36e5ff541694444d020f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:49.205852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063057/publication.md
observed 2d81e3aabf0c57ad4f98070cef00ffda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:49.187008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063057/publication.txt
observed e1515e0882f3391a49b8c437b1cc5d4c...
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.