OpenTechnical

OT-2026-000031358

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, pulsed blow-off 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-2026-000031358) never changes.

Identity and time

Publication numberOT-2026-000031358 · never reused
Internal UUID01a0ae74-87ac-7a94-b1c9-616af60d0d86 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031358
StatusPUBLIC

Content hashes

Canonical text31886a94379ac785c48efdeedc4d58b5228997a438bfce08046bc31ab9a37a6c
Markdownb8cd36304fb717922fba0748d97995318a0680b595ca60c5f35b2e300fcad020
PDF
Publication pagee03bf4ce7517453bc961b1621faa67da65dec49dd76340ddbdfc167dfc9cee1d
Manifest2da86bbee8527abf53285b7d0b7762a34ab31d892d1c5a130052e5a7e2047c62

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
Signature6k19m9h/08MG5G3nGS9Lgi0OKq0HUuUxarS4osZt5Rs9W1aZdP2fH69XsVhuusNU1EFbPe1hccqVZv/UfmMjDw==
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

2026-09-17T11:36:03.540494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031358
observed e03bf4ce7517453bc961b1621faa67da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:03.521574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031358/manifest.json
observed 2da86bbee8527abf53285b7d0b7762a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:03.503892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031358/publication.md
observed b8cd36304fb717922fba0748d9799531...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:03.487228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031358/publication.txt
observed 31886a94379ac785c48efdeedc4d58b5...
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.