OpenTechnical

OT-2026-000066478

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, single stage ejector, manifold pressure sensor, vented 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-2026-000066478) never changes.

Identity and time

Publication numberOT-2026-000066478 · never reused
Internal UUID01a0ae8e-ce40-7326-99f1-46269778fc29 · 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-2026-000066478
StatusPUBLIC

Content hashes

Canonical texte9c39d744953ae39873e223b686e430b1c98000d3db83aa635f696419d126d52
Markdown5593be37314039a9a8d2b73ba3d4caff6ae6330ebc6cf958fc31d1190cf9e7f0
PDF
Publication page9c2311b9730f66eed2f8a1bd3ce36020daba24d0e4115fc7eed0b9b7dcef1027
Manifest4e63dffe70cd3b18c84ba41a510eb20c98da1bb0af0734e2290f43e356977cc9

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
SignatureVaVPCyZyCxJG/h1o6WsF05aOy/KfcWm43PewlSMNfXJA7XQBzlfzwZd+kjFgnDhpJx3T/hZguZsWz58z7LC9Ag==
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

2026-09-17T10:32:43.874582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066478
observed 9c2311b9730f66eed2f8a1bd3ce36020...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:43.858477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066478/manifest.json
observed 4e63dffe70cd3b18c84ba41a510eb20c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:43.843266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066478/publication.md
observed 5593be37314039a9a8d2b73ba3d4caff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:43.824951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066478/publication.txt
observed e9c39d744953ae39873e223b686e430b...
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.