OpenTechnical

OT-2026-000010152

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, 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-2026-000010152) never changes.

Identity and time

Publication numberOT-2026-000010152 · never reused
Internal UUID01a0ae6b-cb7a-70e1-aa68-8b9d4e1d837f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010152
StatusPUBLIC

Content hashes

Canonical text7c911d6b46a013c3aa443a6fccdf5302d29d2028a87ba99f0ab7c9ef7b951fd9
Markdownc7033bab3cbcc4783231fad6ccb89e5670aa0a21638ef0f2e21947ca4987b0a6
PDF
Publication page42de3762d4448950942b1241fb13af30f0dd0de0e14004ecef41de7b664ead1e
Manifest1563768b53856ebc760f7c261e4248c0cf6cb6022acbb0a139735f1a634f4044

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
SignatureDi6B/o3EYYI/TDvyYd6YNiOYyUtkDzYfH24ywlLOBcVRlO7NQbgjcTaQ1BR7ZOMdCmMLvnqXoSxLKyj4D0IqDQ==
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

2026-09-17T12:16:15.417881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010152
observed 42de3762d4448950942b1241fb13af30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:15.399368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010152/manifest.json
observed 1563768b53856ebc760f7c261e4248c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:15.379085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010152/publication.md
observed c7033bab3cbcc4783231fad6ccb89e56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:15.360633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010152/publication.txt
observed 7c911d6b46a013c3aa443a6fccdf5302...
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.