OpenTechnical

OT-2026-000091424

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000091424) never changes.

Identity and time

Publication numberOT-2026-000091424 · never reused
Internal UUID01a0ae9c-f16d-7d24-b781-eb3de20dc9e5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091424
StatusPUBLIC

Content hashes

Canonical textc8de72b574e3a9fa893d1276f902b186f8adc2edd0545757fa79f07016ad457e
Markdowncd3cedd1f88d443eb47525073fc01f6d8ebb0db880fc4bf964ffcff1925feb72
PDF
Publication page09eac7656de9285bec3fbbcdb3d94a4978349798eb488e217405ca3dada8275a
Manifest75d3b76e625b00df9fc9b3eb9b2fe730ac6e402439071705d1a112b1a907e93f

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
Signaturek9d1qMBjso6AeJOBfAdq7TwIfQWiLwlbWDPRN2IUpFpI7a/5jw5Q+YVczFOo/VupUCx/Svgof/S2UH1TQeVfBw==
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

2026-09-17T09:43:39.711162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091424
observed 09eac7656de9285bec3fbbcdb3d94a49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:39.693151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091424/manifest.json
observed 75d3b76e625b00df9fc9b3eb9b2fe730...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:39.672675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091424/publication.md
observed cd3cedd1f88d443eb47525073fc01f6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:39.653753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091424/publication.txt
observed c8de72b574e3a9fa893d1276f902b186...
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.