OpenTechnical

OT-2026-000018168

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed 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-2026-000018168) never changes.

Identity and time

Publication numberOT-2026-000018168 · never reused
Internal UUID01a0ae6e-b488-7ab4-a0d8-8e33d9c951e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018168
StatusPUBLIC

Content hashes

Canonical text51792fc4a2f61da8b77ece6a8db4eb6cc3fa1d13a7b9284544bff61864d6b85d
Markdownc5fc54d4d0d130a682324b687b8cb1661214a0925b607f5df1397d3394d41da8
PDF
Publication pagefa209b5e29f120f15f135c3266b4d6f9e0120df319984101ca4da2360ee1cb3d
Manifest4488d858af97b3ea8561b904b78186d55f4aafc0547a640dc8715599d74a0693

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
Signature3qyOMWGJKJwkKu0c8xmkdanEl01CAkFTDT+ENVT1Xyck6oMJF3E9DsoEpJYleAH4M5tJO4GUG4aqWBWITt0TBA==
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

2026-09-17T11:59:56.197751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018168
observed fa209b5e29f120f15f135c3266b4d6f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:56.179751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018168/manifest.json
observed 4488d858af97b3ea8561b904b78186d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:56.159387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018168/publication.md
observed c5fc54d4d0d130a682324b687b8cb166...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:56.139844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018168/publication.txt
observed 51792fc4a2f61da8b77ece6a8db4eb6c...
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.