OpenTechnical

OT-2026-000088222

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off 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-2026-000088222) never changes.

Identity and time

Publication numberOT-2026-000088222 · never reused
Internal UUID01a0ae9b-1aa9-70bb-99aa-3243b52e8736 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088222
StatusPUBLIC

Content hashes

Canonical text1652b963bc58df8888d936479c40eae443634b310d5b0b1e7ba79eebe01c9284
Markdown92d3adbc4b15ffe2bbf5af6b1b2667d276cf50f1ce52a856cddf751deaf96808
PDF
Publication pagebd0496ce3744cddbb5f0febee4625e53eea7ffff8f8ab00629b42f934342ac15
Manifest279c1fce4dc8662f350cfec065c0d63146f3c3597f5e097f9c28f9d5376b4ad3

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
SignaturegxLi6VePh7zBmQogsh+V0ZDOG6wF4qkhkGgBbXXyjr4yEJNZFjSy8v6UPamgaQzuva8m9OlPsZObVnO02le0Aw==
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

2026-09-17T09:50:17.805676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088222
observed bd0496ce3744cddbb5f0febee4625e53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:17.784569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088222/manifest.json
observed 279c1fce4dc8662f350cfec065c0d631...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:17.765451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088222/publication.md
observed 92d3adbc4b15ffe2bbf5af6b1b2667d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:17.745896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088222/publication.txt
observed 1652b963bc58df8888d936479c40eae4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:17.231516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088222
observed bd0496ce3744cddbb5f0febee4625e53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:17.198058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088222/manifest.json
observed 279c1fce4dc8662f350cfec065c0d631...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:17.175600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088222/publication.md
observed 92d3adbc4b15ffe2bbf5af6b1b2667d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:17.154138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088222/publication.txt
observed 1652b963bc58df8888d936479c40eae4...
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.