OpenTechnical

OT-2026-000099861

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two stage ejector, pressure sensor per zone, sustained 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-2026-000099861) never changes.

Identity and time

Publication numberOT-2026-000099861 · never reused
Internal UUID01a0aea3-1473-7bc0-b70c-7930ddbba400 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099861
StatusPUBLIC

Content hashes

Canonical text921d13bc82a4dc81f695c6ec97eff678b76694bb3b450e3584acd1748bd474c8
Markdownda1f9d8dcef440326a3d50ff62d1ddf8ac6d1b1bd6b6e34ecde33a29f1b22472
PDF
Publication pagecd410590538cfd970bebb756217cf7f11d42e2a8550e0643b8ca4b9eb5cd8d5e
Manifestbb905c23ff63356da8845f32f3226a771bd5ae591108266b97140dcadd63b4d8

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
SignatureWWLakmHivmreh3iOifkD3ftEjHi3y/VEqUvxzYINa3CMq/enWHCjAZ2wHtDN6LudWAC5TPlhtkR6JTcr+HmuAA==
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

2026-09-17T09:30:22.232241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099861
observed cd410590538cfd970bebb756217cf7f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:22.215123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099861/manifest.json
observed bb905c23ff63356da8845f32f3226a77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:22.195474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099861/publication.md
observed da1f9d8dcef440326a3d50ff62d1ddf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:22.178259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099861/publication.txt
observed 921d13bc82a4dc81f695c6ec97eff678...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:44.212724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099861
observed cd410590538cfd970bebb756217cf7f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:44.193759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099861/manifest.json
observed bb905c23ff63356da8845f32f3226a77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:44.174318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099861/publication.md
observed da1f9d8dcef440326a3d50ff62d1ddf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:44.155229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099861/publication.txt
observed 921d13bc82a4dc81f695c6ec97eff678...
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.