OpenTechnical

OT-2026-000066690

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, manifold 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-2026-000066690) never changes.

Identity and time

Publication numberOT-2026-000066690 · never reused
Internal UUID01a0ae8e-ce42-7564-a494-4d179a3d9bf9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066690
StatusPUBLIC

Content hashes

Canonical textdf0f9f191c7af8b624cef2ad5a903aef4081e24a7e2bf78dfbf1e9caa526db52
Markdown98411b9933cdd904e1cbbf7e2a71ab20deac3acf32381e576318fdc45303e19a
PDF
Publication pagefa8324d20f9369c4648f4190c1531608d4bdbb6218ea6978de3d5ee9ac7af0d1
Manifestbff602bc919ca2a2e60198f4dfffe7af0e003a35f6f06982f441a7b0b3c14fed

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
Signature3Sr3sx8Fh//1aFYKWR03C8KEGHAMvb44aJHMBcR5aKHHpS2Fq0MjiQMyj2TV6Sy8cRlfuDxHEnQ2/BZeNKyQCA==
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

2026-09-17T10:33:05.344108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066690
observed fa8324d20f9369c4648f4190c1531608...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:05.324118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066690/manifest.json
observed bff602bc919ca2a2e60198f4dfffe7af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:05.306337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066690/publication.md
observed 98411b9933cdd904e1cbbf7e2a71ab20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:05.287174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066690/publication.txt
observed df0f9f191c7af8b624cef2ad5a903aef...
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.