OpenTechnical

OT-2026-000086025

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, three stage ejector, 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-2026-000086025) never changes.

Identity and time

Publication numberOT-2026-000086025 · never reused
Internal UUID01a0ae99-e82b-7c14-a7e8-799104155b38 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086025
StatusPUBLIC

Content hashes

Canonical textfb2785b55ab68835024e0103bd9f660527f5957a78b02ad81bf13a22274eb54d
Markdown490d297263453cfc7d8ad3598def32d7c2ddfe9b327b861f422c4f630fb4ba15
PDF
Publication page9e929033d3b3b738e220b5a3efadc332797af246bfb8e04e4764abe0789b7618
Manifestea448caf47c7fa9c9295ea6209a2404938f30dec933f6aa289ec37699d51f425

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
SignatureOswr0IOBVkZmWbRW7BmgY/Wrh20QWyWLzZMATbVBERmOskU/4QDOePG406bzeg4wqP56n5nWT3JfUPguVO3bCQ==
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

2026-09-17T09:53:00.986206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086025
observed 9e929033d3b3b738e220b5a3efadc332...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:00.968921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086025/manifest.json
observed ea448caf47c7fa9c9295ea6209a24049...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:00.951719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086025/publication.md
observed 490d297263453cfc7d8ad3598def32d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:00.934565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086025/publication.txt
observed fb2785b55ab68835024e0103bd9f6605...
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.