OpenTechnical

OT-2026-000032853

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, pulsed blow-off 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-2026-000032853) never changes.

Identity and time

Publication numberOT-2026-000032853 · never reused
Internal UUID01a0ae75-4842-7204-bb49-839a9b237928 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032853
StatusPUBLIC

Content hashes

Canonical text35db41a944b6a0b4663b4dfab07919b69baf59a88383c87ed96bb0f5b67d0feb
Markdownb25e814c120ac68b1c00a04dd596f477d08ea386c9904d170699a88852ae731a
PDF
Publication pageab5ab0ba770bede61feffa97cb9c970bae16257af3f29dcbdd26b6e2dfba2c95
Manifestab856f359b582befa5c8d1aa2de0fae48912bade78282eff2c0608aa2dc4e3d8

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
SignatureZGfRYq+R53BG2N3Op8hhqObkFZEgO22UgzH7yIjKl24vou6kkuD7ln5QmReCStU2t+Rks61nWHH92psjrDOxDg==
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

2026-09-17T11:32:19.002763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032853
observed ab5ab0ba770bede61feffa97cb9c970b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:18.985551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032853/manifest.json
observed ab856f359b582befa5c8d1aa2de0fae4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:18.967825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032853/publication.md
observed b25e814c120ac68b1c00a04dd596f477...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:18.949597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032853/publication.txt
observed 35db41a944b6a0b4663b4dfab07919b6...
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.