OpenTechnical

OT-2026-000033974

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, 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-2026-000033974) never changes.

Identity and time

Publication numberOT-2026-000033974 · never reused
Internal UUID01a0ae75-df0b-761f-9b79-a21e502d3eaa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033974
StatusPUBLIC

Content hashes

Canonical texte21e68b3a251f9011fc9ec44c5f3e6d0d6bc9b2abba30e2698b7d87bcb8dada6
Markdown6ea373d98df22d913575fd721e9cfc1c774bee4da68328928127131e23dbd8bb
PDF
Publication page75bc332dd47f76a4d73195850acd0544ecea0818dfd2967415bac1f968316c60
Manifestf2fcc37110d12f4497e18dfab0c4f4113eb50e1649305505469e6065c4450370

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
SignatureZs8SopQLRmJT8ncIm/umB1Mrg+DPYVysAIItXybCVZglnWtMshj/SzS4dryrohps0APWE6MSD1LK/5ziqYSVAg==
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

2026-09-17T11:30:06.426525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033974
observed 75bc332dd47f76a4d73195850acd0544...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:06.407996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033974/manifest.json
observed f2fcc37110d12f4497e18dfab0c4f411...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:06.389735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033974/publication.md
observed 6ea373d98df22d913575fd721e9cfc1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:06.369936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033974/publication.txt
observed e21e68b3a251f9011fc9ec44c5f3e6d0...
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.