OpenTechnical

OT-2026-000087322

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, 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-2026-000087322) never changes.

Identity and time

Publication numberOT-2026-000087322 · never reused
Internal UUID01a0ae9a-cd4e-731d-8c93-3de8d9cc9e24 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087322
StatusPUBLIC

Content hashes

Canonical text7135dc847c9894981c035db0cf95487fa86a5301c67e8cd2ba2dcec090f703d2
Markdown80688c567083c57bc49164409fbc41907eeb6e5292ac192e80e03199fb3d909c
PDF
Publication page014be30137aef54d07b729c972795b605470674aee842e0d418d331a85b932a1
Manifest36647920f26ebd8ccb4e239f9b5482a0e6f237ca9348c0ef503222b82193ab7a

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
Signaturet8oxAdrt4lejdnR57hu/LI0BDDnVozDTNRtzEMgvYBzlYWFow+RWz3EGEYXKu+1gwD2CDJIqjQBFEQD0eZ42AA==
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

2026-09-17T09:50:29.255326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087322
observed 014be30137aef54d07b729c972795b60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:29.254932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087322
observed 014be30137aef54d07b729c972795b60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:29.238510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087322/manifest.json
observed 36647920f26ebd8ccb4e239f9b5482a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:29.236516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087322/manifest.json
observed 36647920f26ebd8ccb4e239f9b5482a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:29.221458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087322/publication.md
observed 80688c567083c57bc49164409fbc4190...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:29.220946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087322/publication.md
observed 80688c567083c57bc49164409fbc4190...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:29.203598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087322/publication.txt
observed 7135dc847c9894981c035db0cf95487f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:29.203561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087322/publication.txt
observed 7135dc847c9894981c035db0cf95487f...
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.