OpenTechnical

OT-2026-000074548

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000074548) never changes.

Identity and time

Publication numberOT-2026-000074548 · never reused
Internal UUID01a0ae93-717b-7209-beb3-b58ff651b419 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074548
StatusPUBLIC

Content hashes

Canonical text232e4df9b5e11b796d3eb3d7d2f22b4f02c0a7c5791b0001a13dfbc09b020ca8
Markdownfc299b80bdd78caab4976ef3410a95252dd01f516cbf984ace7162644ced22f0
PDF
Publication page380a0feec83a07cd2408b791a6a3d53fab84a0676c06a8eafa58c477ee0d442b
Manifeste3905bc17fd121d97c052bbba66b140cd4eb110c97d5c9583096de25cd535c6b

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
SignatureraKJ4A2tylwlxCTcV4l3d3PgnObg/gAAIFDom3d0ieaRCcvUXeX+LyZuv85nN1QindRXsbIGoqxjhSPaViUNCw==
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

2026-09-17T10:19:31.972318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074548
observed 380a0feec83a07cd2408b791a6a3d53f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:31.954304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074548/manifest.json
observed e3905bc17fd121d97c052bbba66b140c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:31.936115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074548/publication.md
observed fc299b80bdd78caab4976ef3410a9525...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:31.918244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074548/publication.txt
observed 232e4df9b5e11b796d3eb3d7d2f22b4f...
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.