OpenTechnical

OT-2026-000088213

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, plant vacuum 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-2026-000088213) never changes.

Identity and time

Publication numberOT-2026-000088213 · never reused
Internal UUID01a0ae9b-1aa8-7abe-8341-4b61c1a37083 · 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-2026-000088213
StatusPUBLIC

Content hashes

Canonical textc6b9dda30b8f08e8edd5468d7e1f8a7a3a7d6692cba1b4a2932947c5500d3e52
Markdown882f69c87fa0654f79e233f7cb59825df485e089320478c408ea69ee8ec0bb40
PDF
Publication page6d1dd043d7c61ec87e351112b4d2b76f5d90edb497da833808751e64990055f8
Manifest2047c6362ae6f6330c3397facee1126df6ceb5d8dc45e6affb050dad981f4719

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
Signaturek9JJPUai5S43oRXwHL3gyhXeoIaDLJH08dhoCx6SRtirdOD9M6vnGNXHNosc+OSX5YfWmupWlcIc9PNVtkJtBA==
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

2026-09-17T09:50:17.642897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088213
observed 6d1dd043d7c61ec87e351112b4d2b76f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:17.621185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088213/manifest.json
observed 2047c6362ae6f6330c3397facee1126d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:17.603349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088213/publication.md
observed 882f69c87fa0654f79e233f7cb59825d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:17.585887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088213/publication.txt
observed c6b9dda30b8f08e8edd5468d7e1f8a7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:17.009365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088213
observed 6d1dd043d7c61ec87e351112b4d2b76f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:16.978276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088213/manifest.json
observed 2047c6362ae6f6330c3397facee1126d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:16.953639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088213/publication.md
observed 882f69c87fa0654f79e233f7cb59825d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:16.929091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088213/publication.txt
observed c6b9dda30b8f08e8edd5468d7e1f8a7a...
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.