OpenTechnical

OT-2026-000083302

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000083302) never changes.

Identity and time

Publication numberOT-2026-000083302 · never reused
Internal UUID01a0ae97-c963-78af-8420-b53d7424ef20 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083302
StatusPUBLIC

Content hashes

Canonical textf68aca0693035a3d168318a8128951d6ad560cf2b4a43c01d4d0657e771160e2
Markdown198ef9abf0bd012fc5c8681fadc9f5b4100b83558f25d6422ce64df64ef3c33f
PDF
Publication page1013e7889af33f3a91f0192c250753f01671f97cb42332387fd5b8d96c162935
Manifestd6bc2361ff14cd455ba0fcf10b105bf9f6407728cf8a3bb2982e6b5e8905da10

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
SignatureMJyLp7iDV6yuzsUFcYdhZVX+TbHZ+yTpUeZlAx/TuPmWP1K5C2xRRvPYuJRjVz+9FB/MprGdjJZgWSCcmCrsBw==
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

2026-09-17T10:00:33.333696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083302
observed 1013e7889af33f3a91f0192c250753f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:33.314626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083302/manifest.json
observed d6bc2361ff14cd455ba0fcf10b105bf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:33.294056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083302/publication.md
observed 198ef9abf0bd012fc5c8681fadc9f5b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:33.273862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083302/publication.txt
observed f68aca0693035a3d168318a8128951d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:41.703918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083302
observed 1013e7889af33f3a91f0192c250753f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:41.689275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083302/manifest.json
observed d6bc2361ff14cd455ba0fcf10b105bf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:41.674130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083302/publication.md
observed 198ef9abf0bd012fc5c8681fadc9f5b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:41.659594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083302/publication.txt
observed f68aca0693035a3d168318a8128951d6...
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.