OpenTechnical

OT-2026-000068222

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000068222) never changes.

Identity and time

Publication numberOT-2026-000068222 · never reused
Internal UUID01a0ae90-247f-7547-aa5a-27b3b5fbbc4a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068222
StatusPUBLIC

Content hashes

Canonical textf5f856c7f3ed47655ccb42c61c9017647de9e5c0b147ae28bddedbd88c984759
Markdown80b2e0f84ab1c41e863afd36f7feeae1643e140a78ac53de7e4006a0bda4884e
PDF
Publication page7ffef90f15b358f0e8d8c52a6a0c3c51e566257796b633d274f09375806816f5
Manifestfddd05f4ea2819f1a30aa0205b2ccce345b6ab17bc1e7157df75df0c9ac4bb8f

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
SignatureUo12EWrN0kS5G8kEXyVkJ9jRZ3HTwmL5IA4DjBDzg04DdOx+f6oF8S9Fbj8JVDyN2jIsMhpgmeiWnt9FdYZxDA==
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

2026-09-17T10:29:14.360800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068222
observed 7ffef90f15b358f0e8d8c52a6a0c3c51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:14.344150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068222/manifest.json
observed fddd05f4ea2819f1a30aa0205b2ccce3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:14.326126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068222/publication.md
observed 80b2e0f84ab1c41e863afd36f7feeae1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:14.309575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068222/publication.txt
observed f5f856c7f3ed47655ccb42c61c901764...
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.