OpenTechnical

OT-2026-000070535

Publication integrity record

Four cup vacuum gripper, four zone face, plant vacuum fed, supply line pressure sensor, pulsed blow-off before 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-2026-000070535) never changes.

Identity and time

Publication numberOT-2026-000070535 · never reused
Internal UUID01a0ae91-5460-7b11-8f2a-a489dc115b2d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070535
StatusPUBLIC

Content hashes

Canonical textdad355d5ecfd28fab9a1f58353dcf8967039149aa9ba5b1890bb55f0310e8e08
Markdowna66bb0ecea630b26686ade12c2daf4818a7f46fd23b743cedef119a775fcb4d1
PDF
Publication page27baeb442effcef3269f39fc761012d60add753cd24f5e675202c1f6cb6d255c
Manifestb6357a5a6b907eed4f9329908f16cbe79a36a411c504180d90e3acded2f379ad

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
SignatureasowCR4x1Qr/+M31GYMq9mZc9Wtxi+jZyz3qUwPWQdbO2WfICFb4fsKKlfXSwtz11Gf7YvfxdZ4ZHc8jZEJUCA==
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

2026-09-17T10:26:22.888130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070535
observed 27baeb442effcef3269f39fc761012d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:22.870146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070535/manifest.json
observed b6357a5a6b907eed4f9329908f16cbe7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:22.851683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070535/publication.md
observed a66bb0ecea630b26686ade12c2daf481...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:22.835041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070535/publication.txt
observed dad355d5ecfd28fab9a1f58353dcf896...
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.