OpenTechnical

OT-2026-000091426

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three 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-2026-000091426) never changes.

Identity and time

Publication numberOT-2026-000091426 · never reused
Internal UUID01a0ae9c-f16d-700b-abaf-0ba1ba4dd23e · 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-2026-000091426
StatusPUBLIC

Content hashes

Canonical text62da603bda7ecda1068e921261ac49087b48bdc19929bba519a6520854e55d29
Markdownbae00b4cb9b0da4f18e2206644bc953fbebbc8a5d6576b830e475e08fa57df87
PDF
Publication pagee1b6d5acc5a1cc92f6a56d4df598814d09279c0c81d536cace59cf9405685b53
Manifest6aabec49f8f0b58b986893a1e981efd833f9bf475d59cd8657150bf05b487bb4

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
SignatureD7wYlqawhC+UtwmQy9kTFs6qufGDzCsUIvx671oop+FWiel7H1WGD6vILAFvMuhOwfN6zX8LLrxwd+t7HnFqCw==
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

2026-09-17T09:43:39.865868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091426
observed e1b6d5acc5a1cc92f6a56d4df598814d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:39.847826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091426/manifest.json
observed 6aabec49f8f0b58b986893a1e981efd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:39.830014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091426/publication.md
observed bae00b4cb9b0da4f18e2206644bc953f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:39.809792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091426/publication.txt
observed 62da603bda7ecda1068e921261ac4908...
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.