OpenTechnical

OT-2026-000010753

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, vented after set-down

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-2026-000010753) never changes.

Identity and time

Publication numberOT-2026-000010753 · never reused
Internal UUID01a0ae6c-0ee8-78e3-9df7-c536b196dc77 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010753
StatusPUBLIC

Content hashes

Canonical text5a5cf97873b4a16453425cf2e086efbc957c75c438cb3e1e83f3dd37b87f7508
Markdown7fc4e889d2ba37943db624f06498cb95b13f511d788d6676b4c2eb2634095b59
PDF
Publication page37e9b221acc9115cfa29ccabcc5f916b211c4ee6e28898e625cf6d8ac29d5fb2
Manifesta5aed57cfbf1285c8b78ef4ff489f04e2ed2d0d7edbfa127440546920b684288

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
Signatureobd2kjizHLq1v0CxUxCNNt0/HbJRXXw1dGFrt+cekmh0YecYnCS05QFpVei7p7NVoMgnSOIdx0Y7JKIW5pQJBA==
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

2026-09-17T12:14:59.204749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010753
observed 37e9b221acc9115cfa29ccabcc5f916b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:59.183881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010753/manifest.json
observed a5aed57cfbf1285c8b78ef4ff489f04e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:59.162208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010753/publication.md
observed 7fc4e889d2ba37943db624f06498cb95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:59.139067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010753/publication.txt
observed 5a5cf97873b4a16453425cf2e086efbc...
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.