OpenTechnical

OT-2026-000084406

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single stage ejector, sustained blow-off before set-down

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-2026-000084406) never changes.

Identity and time

Publication numberOT-2026-000084406 · never reused
Internal UUID01a0ae98-5b62-72bc-b15e-5784f06d7d07 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084406
StatusPUBLIC

Content hashes

Canonical text4a422258c47985572736b6716cc36c497c4b19c301147bd84b39fa7674792964
Markdowna285f27e4b480049849d35c93f197828dc8fe3562c2badd7ad71a7b2c2a0c576
PDF
Publication page2bcb89bc6df3a47d7796e927b7a14493a9a71c15aaed9f518d28194724c9955b
Manifestc9439ff1b94087aa29bdec0f10ab006620ce9c2d0c9cec23f8963e6b9a6112eb

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
SignatureGWBkAgjkWm04FxLgaKB0UDVT+Uo+OlzBr2UmROsUCUdjLhDjM8/T03GJnuOmvhAm0rxrAMKIxS7MJkxRFMH7DQ==
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

2026-09-17T09:56:21.188542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084406
observed 2bcb89bc6df3a47d7796e927b7a14493...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:21.171379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084406/manifest.json
observed c9439ff1b94087aa29bdec0f10ab0066...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:21.154462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084406/publication.md
observed a285f27e4b480049849d35c93f197828...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:21.136906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084406/publication.txt
observed 4a422258c47985572736b6716cc36c49...
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.