OpenTechnical

OT-2026-000066459

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, three stage ejector, pressure sensor per zone, 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-2026-000066459) never changes.

Identity and time

Publication numberOT-2026-000066459 · never reused
Internal UUID01a0ae8e-ce40-7297-a14a-709d827738be · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066459
StatusPUBLIC

Content hashes

Canonical text33ec2fd997870cb16cd3d5b2361ed01d63263f09d0edecbd4576b02912183cd2
Markdownc3f8eb49265a85e4c958095fadc1301fc4b285ba83180eed6d5cae794ab430b9
PDF
Publication page3267eeebc0479120a62eea149fb92713a224f1e3d10e73a097bee1d64f075d00
Manifestfe1d41880d753b2804eedbab4350f9e83bf062214bd1bc07baa05b898d27a8a5

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
SignaturehDOo2GScF+zgFFP+71IBX1SZET7HeCG2HO1xdPzq1oDzTr5YnzOmCS0JFj1F9KcdvHo6MFmIrZCmGVsecRvGDQ==
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

2026-09-17T10:32:42.545710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066459
observed 3267eeebc0479120a62eea149fb92713...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:42.529687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066459/manifest.json
observed fe1d41880d753b2804eedbab4350f9e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:42.511544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066459/publication.md
observed c3f8eb49265a85e4c958095fadc1301f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:42.495468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066459/publication.txt
observed 33ec2fd997870cb16cd3d5b2361ed01d...
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.