OpenTechnical

OT-2026-000038758

Publication integrity record

Foam pad vacuum gripper, two stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000038758) never changes.

Identity and time

Publication numberOT-2026-000038758 · never reused
Internal UUID01a0ae78-769e-72ae-a748-9340af890e0d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038758
StatusPUBLIC

Content hashes

Canonical text0b9fcdfc126684d06d66ddda8dac61eb3f27ff0bec8b508ed407f07fb943acef
Markdownb1a65a2d40208eba445a071770b59e3d8fb05790a2d7f5d33e76b363b1f73f83
PDF
Publication page0189847966a017911e7545d2bfb4a9234da59544b90a9daa1177915271249edd
Manifestc57f2696c009aa3ecab515af25f2198745c4102d15b160b97ac8fffebc9f6940

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
SignatureeEqFhhuEyTFwITVcUePbMc0ydoHmT0aseQ3TOUGEntI7IKFOMYSCHGxumVIHsSQdUfJcmR3ZK3HkC2zxtUXACw==
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

2026-09-17T11:21:17.804890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038758
observed 0189847966a017911e7545d2bfb4a923...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:17.784549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038758/manifest.json
observed c57f2696c009aa3ecab515af25f21987...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:17.766516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038758/publication.md
observed b1a65a2d40208eba445a071770b59e3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:17.747395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038758/publication.txt
observed 0b9fcdfc126684d06d66ddda8dac61eb...
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.