OpenTechnical

OT-2026-000011816

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, pulsed blow-off before set-down, on a tool changer

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-2026-000011816) never changes.

Identity and time

Publication numberOT-2026-000011816 · never reused
Internal UUID01a0ae6d-1941-7565-b983-103f7f4e47ce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011816
StatusPUBLIC

Content hashes

Canonical textb0ef75cfa39cb46198bd836c0f07b3a416b03159ef0c7d9fee6201a690bb91c4
Markdownd1d88545052e179a76740adac62bda1ca18c3acde061466e36010e33da51f910
PDF
Publication page84c745199c626794c06e750073ff028e71290068fd978de01c12e799c4086cca
Manifestbc11694b388e0216201e934635882691e10def5e6c2ee0bb466f3c358298e765

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
SignatureXd+xTHLxvXARYxtyMR3ZjvbFRc6GHT0hrJagfJ6bFgZWOqE/gWUvJY6TD1EVLOIN3aaaz2lDy1IUcYC1n5e1CQ==
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

2026-09-17T12:12:32.808363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011816
observed 84c745199c626794c06e750073ff028e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:32.789846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011816/manifest.json
observed bc11694b388e0216201e934635882691...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:32.769269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011816/publication.md
observed d1d88545052e179a76740adac62bda1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:32.750096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011816/publication.txt
observed b0ef75cfa39cb46198bd836c0f07b3a4...
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.