OpenTechnical

OT-2026-000076278

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000076278) never changes.

Identity and time

Publication numberOT-2026-000076278 · never reused
Internal UUID01a0ae94-6a6f-7136-bbf8-b5a66d999e2e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076278
StatusPUBLIC

Content hashes

Canonical text9ed84530cddf35f37228e6d77bc10dba51fd3e1a3923629277efdbdd8a6270e9
Markdown50bacaa2c5e9df9e230ee0306204b70ba7bceb879e0194f848134fef52cfa883
PDF
Publication page9e0683beedad1a9ad8dd9fb15e2d601edefe4efa71bb203368b8a24f439bddcd
Manifest4c9d29f676aa3ce8ba0c232ec5e901c30347af2598edbb50d5f84c10f64475f9

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
Signatureb1GJvnjBhfEBG3r5cuNZvWdyQn6rH3qgcbN6PpQth/d7TG/z9gec0Oy94rQMdfnFfygGz/In43FXU0UL/VkYBQ==
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

2026-09-17T10:12:03.532194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076278
observed 9e0683beedad1a9ad8dd9fb15e2d601e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:02.989549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076278/manifest.json
observed 4c9d29f676aa3ce8ba0c232ec5e901c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:02.967973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076278/publication.md
observed 50bacaa2c5e9df9e230ee0306204b70b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:02.945351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076278/publication.txt
observed 9ed84530cddf35f37228e6d77bc10dba...
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.