OpenTechnical

OT-2026-000104331

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, 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-2026-000104331) never changes.

Identity and time

Publication numberOT-2026-000104331 · never reused
Internal UUID01a0aea5-3420-74f7-95f5-18c4920e566d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104331
StatusPUBLIC

Content hashes

Canonical text0eaaa202813a680afd0df26fce7538f4e5da0229644b88d70c8e6784f2d3b646
Markdownb3bcd3d539ff4f1b06b36ea99d29beea9a81ef9aa2f5a25d92f37105434e4a8b
PDF
Publication pagea860f6c126213992fdf238a9910508dbd7aa5750d6a48964f4a1fd82b4f1547d
Manifest78157cf1cb4751e56af2b82916c4ac8de796fc3b632d470943568f496f52b888

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
Signatureg1+VWSdgKPGUCZLgZuL1wkPN9RQk9bv+VVmYkqyB11yYq8tJkyWKxx/1vrpUhBg7KRcGu7wHXhbd5qLbo0BpAg==
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

2026-09-17T09:21:35.052768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104331
observed a860f6c126213992fdf238a9910508db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:35.037108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104331/manifest.json
observed 78157cf1cb4751e56af2b82916c4ac8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:35.010189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104331/publication.md
observed b3bcd3d539ff4f1b06b36ea99d29beea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:34.978421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104331/publication.txt
observed 0eaaa202813a680afd0df26fce7538f4...
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.