OpenTechnical

OT-2026-000072434

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, 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-2026-000072434) never changes.

Identity and time

Publication numberOT-2026-000072434 · never reused
Internal UUID01a0ae92-89d7-755f-bc59-caee2e0d720c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072434
StatusPUBLIC

Content hashes

Canonical text92eeb3808a8e41c9bfd4bfbbe99e5717ab0f4a315ac1444a4a6c1e3635f5b0ab
Markdowndea2b2a906ab4618812a3ce813eb94bbff987de0ea382fb466df194272a749e9
PDF
Publication pagee836743f41aab1aa0fbc86d65a9c69d45a6c3e516840ad769a7d2cda990a0811
Manifest1cc27a5600525b22169d4130d8e295eb7f8fd4733dceb288304ae97bc365db9d

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
SignaturejCpKZnuVcaweFn+57c4BfZezd5cpKTONIH9P/mbeDoABZqm9prLqh4jS6OJOkV0jcd+bhAb3eI3gR5d+AWf0Bw==
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

2026-09-17T10:22:15.002576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072434
observed e836743f41aab1aa0fbc86d65a9c69d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:14.984192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072434/manifest.json
observed 1cc27a5600525b22169d4130d8e295eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:14.967516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072434/publication.md
observed dea2b2a906ab4618812a3ce813eb94bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:14.951085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072434/publication.txt
observed 92eeb3808a8e41c9bfd4bfbbe99e5717...
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.