OpenTechnical

OT-2026-000028055

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, three stage ejector, 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-2026-000028055) never changes.

Identity and time

Publication numberOT-2026-000028055 · never reused
Internal UUID01a0ae72-a51f-75e8-90a5-df63be99b966 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028055
StatusPUBLIC

Content hashes

Canonical textc9ce82bb409a81e13fbe989b7dec69aa4392cfc53c4ee460deeb2c57d1384eaa
Markdown2e63a7b9662832b44b93814014ba8e73604a2162e02023eee699457e714be3c7
PDF
Publication pageefcac6849d02744764d2498db8c4af0f84a0b13eb6bb0f341ca561cbb0348645
Manifest94ea4281be6bc9be9c70c80d7e5257af58982cd56912ac0cad8b9c2243bd0fda

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
SignatureRrXjYuwB8sJYyg5nCcwfKp5rLrSGmSGiO0GGW4A68Ld+ZbcbaDw2UJbsFFSGB2LUN/XNEEK7xSUZ1EY5yA6GAg==
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

2026-09-17T11:42:23.292212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028055
observed efcac6849d02744764d2498db8c4af0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:23.274801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028055/manifest.json
observed 94ea4281be6bc9be9c70c80d7e5257af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:23.256870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028055/publication.md
observed 2e63a7b9662832b44b93814014ba8e73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:23.238683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028055/publication.txt
observed c9ce82bb409a81e13fbe989b7dec69aa...
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.