OpenTechnical

OT-2026-000063438

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, vented after 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-2026-000063438) never changes.

Identity and time

Publication numberOT-2026-000063438 · never reused
Internal UUID01a0ae8c-f944-755c-95b6-f3dc8eb03dbd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063438
StatusPUBLIC

Content hashes

Canonical text24522e7b5ec5a4b0b1a7cfffee01e7f42fe3e4c7d92d5d1a66043926170c1b24
Markdown17b486a49b4c708320a1ca5d19dbc7aecdc80d6dbd87bdabae45814ba269bc6c
PDF
Publication page2d71387bf5b47caf80e8be9a9ac00e73edd7e4b4530d7413ebba8decaa44d598
Manifestfa9f1bdd207e6970346f90cf148959143145cb3afd2001b46655125aeb6fe2a8

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
Signaturef7UInGLCsDBJ34nU65iElHiG5uQ9umvonssZRdYvT3bQvyYAHwBU2xR1Q4d/Quig4IeFxlL2UgtSUnkEqc/ABQ==
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

2026-09-17T10:37:23.790086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063438
observed 2d71387bf5b47caf80e8be9a9ac00e73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:23.770996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063438/manifest.json
observed fa9f1bdd207e6970346f90cf14895914...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:23.751646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063438/publication.md
observed 17b486a49b4c708320a1ca5d19dbc7ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:23.734415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063438/publication.txt
observed 24522e7b5ec5a4b0b1a7cfffee01e7f4...
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.