OpenTechnical

OT-2026-000085816

Publication integrity record

Foam pad vacuum gripper, four zone face, three stage ejector, sustained 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-2026-000085816) never changes.

Identity and time

Publication numberOT-2026-000085816 · never reused
Internal UUID01a0ae99-e829-7dc9-b15b-475300fbbd22 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085816
StatusPUBLIC

Content hashes

Canonical text8770f1a86cbc1472f9e1621375e21c2872f5a63e8e520142fb251b8b1a6ad866
Markdownc69183987099912eec86b8dd5120831cebb7b0c693eea5795c62666066bbe28f
PDF
Publication page50194225923795ab3500e05bf983a05c307daa0eca2892b23e02acaddb897a25
Manifest276065a8250298afce38fefac02ae4fe9a2906e8e63db53790feae0307e0334e

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
SignatureAOJJE0kXkF466B0ytrSX3yRrH/ybYWpA6jlsHW6hzdWS52z/OLRaU/Rxa44pjUWiwT34ZWfpvp45MjS2F250Dw==
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

2026-09-17T09:52:44.193617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085816
observed 50194225923795ab3500e05bf983a05c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:44.174584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085816/manifest.json
observed 276065a8250298afce38fefac02ae4fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:44.157183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085816/publication.md
observed c69183987099912eec86b8dd5120831c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:44.136800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085816/publication.txt
observed 8770f1a86cbc1472f9e1621375e21c28...
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.