OpenTechnical

OT-2026-000093787

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, supply line pressure sensor, sustained 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-2026-000093787) never changes.

Identity and time

Publication numberOT-2026-000093787 · never reused
Internal UUID01a0ae9e-508c-73ba-8375-d4413ffc2a13 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:46.038602Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093787
StatusPUBLIC

Content hashes

Canonical text2fc189b1392f259d3f9c035f94786f586cd50e2c119dc8ce606dbd6ccb6b081b
Markdown7d15a38b24167947f18ee9b5a7aefd9553ac466c37285b7b766e96a7d43e97f8
PDF
Publication page390ab62bcef6a89912f232879052683e024c644dba12283816bf5c5342a377f7
Manifest183b46715ebf7628f56f03a2ad06dc1882063bbeff5b851be112a44d7370edca

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
SignatureQAoVfM2iSVd5h5t46R/1i30+OkLw00fh+jAbToRCWlQKSKFUxsDgthAl413AaRnCJ/iO1WvoV1pu0pBIgfo0Cw==
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

2026-09-17T09:39:53.325649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093787
observed 390ab62bcef6a89912f232879052683e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:53.309634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093787/manifest.json
observed 183b46715ebf7628f56f03a2ad06dc18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:53.292510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093787/publication.md
observed 7d15a38b24167947f18ee9b5a7aefd95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:53.275892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093787/publication.txt
observed 2fc189b1392f259d3f9c035f94786f58...
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.