OpenTechnical

OT-2026-000102191

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, plant vacuum fed, pulsed blow-off after 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-2026-000102191) never changes.

Identity and time

Publication numberOT-2026-000102191 · never reused
Internal UUID01a0aea4-50f3-7533-a389-f4c35fc89374 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102191
StatusPUBLIC

Content hashes

Canonical text43feace779fc483594d3067f85b21544292d07e155f266634f70ac96a517cc6f
Markdownb8f2d9235eec4babeead284357c86c00105693c8e00ecdb228ca28eba27686c9
PDF
Publication pagef0c08e885de9ca01d471b96bc83c54dd9fb6402f98772aff00311fd0a2efacc9
Manifeste4530bb9959e603c100316e695743f47af46b4013d1a3b76cbb082deb80579de

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
SignatureXk7Lqk3NmMLlSGAiDPMND2pVxb8TcGGMhigPR+HQ4x2wiQtLyG4ID9r2Qxvp9ymdYp1S6eVae5Ra2k+cGwAbCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:21.834460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102191
observed f0c08e885de9ca01d471b96bc83c54dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:21.816597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102191/manifest.json
observed e4530bb9959e603c100316e695743f47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:21.798443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102191/publication.md
observed b8f2d9235eec4babeead284357c86c00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:21.780158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102191/publication.txt
observed 43feace779fc483594d3067f85b21544...
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.