OpenTechnical

OT-2026-000077865

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, pump fed, pressure sensor per zone, 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-2026-000077865) never changes.

Identity and time

Publication numberOT-2026-000077865 · never reused
Internal UUID01a0ae95-2ed0-71f1-823e-eae1287cbf4c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077865
StatusPUBLIC

Content hashes

Canonical text12f6ffbaf7a0a4d7896d3a80b374b278651547ab796a309e2e740d6e970d71f8
Markdown36a15b587a57b80d3475b7d66e12e886c09288f5acb590a1990ea64fba18e88d
PDF
Publication page8ad98a8d288d85c63d948fea4a66e1949d846480569655511d47810a75381a99
Manifest2ef5c5d40b377e5f58e9de20743e758d8918bf61ff281389b895099a3c053dd6

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
SignatureocFZkcOlN4idSD3Zc5ITzb4seCvE/tpDhbu8YHica21vC6bSh66ANjErhQ9q+cPAF3SMgyvD0uG8g6Pc/AQjAw==
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

2026-09-17T10:07:36.457635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077865
observed 8ad98a8d288d85c63d948fea4a66e194...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:36.437748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077865/manifest.json
observed 2ef5c5d40b377e5f58e9de20743e758d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:36.416702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077865/publication.md
observed 36a15b587a57b80d3475b7d66e12e886...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:36.397688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077865/publication.txt
observed 12f6ffbaf7a0a4d7896d3a80b374b278...
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.