OpenTechnical

OT-2026-000091385

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single 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-2026-000091385) never changes.

Identity and time

Publication numberOT-2026-000091385 · never reused
Internal UUID01a0ae9c-f16d-7e78-8bc4-4380ab1fd89a · 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-2026-000091385
StatusPUBLIC

Content hashes

Canonical textd13574d023856b760b1916095f142199a6aec66b98c002a6ea1ddce50df53813
Markdowna5d3d22f9d88216203f24f7c0ce7edc3e51a7d758f4516f92e426fbc862bbfb0
PDF
Publication pagece94cba49a81452e693a806868e22355e4a8255e18b481139a3b0380c30aebe8
Manifestcf0e9378b2a673d7a68204c3a20d3d4b2523c64acfb4be4070689d1e9f3efa8d

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
SignatureLTeULFU6jKNnNe1I1jrTXfyQxdLTMj4yG6yEAcJOhEnNwbM3rp9yv3EIJYGbqQg2qBACKDwRCNWqhGh3ciWRDw==
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

2026-09-17T09:43:36.491827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091385
observed ce94cba49a81452e693a806868e22355...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:36.475612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091385/manifest.json
observed cf0e9378b2a673d7a68204c3a20d3d4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:36.460644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091385/publication.md
observed a5d3d22f9d88216203f24f7c0ce7edc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:36.443992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091385/publication.txt
observed d13574d023856b760b1916095f142199...
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.