OpenTechnical

OT-2026-000075215

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, manifold 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-2026-000075215) never changes.

Identity and time

Publication numberOT-2026-000075215 · never reused
Internal UUID01a0ae93-f200-70b4-8217-ab314ac9003f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075215
StatusPUBLIC

Content hashes

Canonical textd655e9be277504385ce3c21f68d77aeb4e1bf00eadec8ae7ef615af33761c604
Markdown4f0cddd353c74b7a42885432a77ce41e789f978cbcbb2d522d93e5d214264240
PDF
Publication page3c13390afcf9128146e1cb9cf45225a937e3e10745d006e7e3e3da266b1631a3
Manifesta72228d0f402af36bd32a7cd6fff60771611df07abc3dbebffdbd254aa778cc4

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
SignaturemnRFaxrtGHZM/n/szPXfk2D2Wjrd9cYyt3xK9KNM7xAxFAq9rODeumcK4rD5Hg2fI9ZdgXDfC/poHN1oPrVDCw==
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

2026-09-17T10:20:29.172523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075215
observed 3c13390afcf9128146e1cb9cf45225a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:29.153837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075215/manifest.json
observed a72228d0f402af36bd32a7cd6fff6077...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:29.133105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075215/publication.md
observed 4f0cddd353c74b7a42885432a77ce41e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:29.084857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075215/publication.txt
observed d655e9be277504385ce3c21f68d77aeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:43.724883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075215
observed 3c13390afcf9128146e1cb9cf45225a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:43.703749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075215/manifest.json
observed a72228d0f402af36bd32a7cd6fff6077...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:43.476160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075215/publication.md
observed 4f0cddd353c74b7a42885432a77ce41e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:43.269005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075215/publication.txt
observed d655e9be277504385ce3c21f68d77aeb...
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.