OpenTechnical

OT-2026-000083318

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented after 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-2026-000083318) never changes.

Identity and time

Publication numberOT-2026-000083318 · never reused
Internal UUID01a0ae97-c964-7215-81c2-8e17097096d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083318
StatusPUBLIC

Content hashes

Canonical text7a44704cbcc73b48ca4a22f20409eb98ca3a03d6d92e36aa79810896aee06d4c
Markdown59b4717967c97fd9295159c2769070b136aeb1a7f337cfa472af84205ad7d69c
PDF
Publication page854dd0750531f41334bc3067452d112e36f1e142b32613a16f325225cd7018d5
Manifest538c2d7590d426348c1b5d810ddad844c7dd74a0f1db8b8f28b03c81d28feced

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
SignatureMzuESN93SBmGqnOlCML8XHr5grOVORuwXP21xvkLLty0nNHf1ipEj3IAORoCuvV1SSbGPK7erHg+kBP6SLQWBw==
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

2026-09-17T10:00:34.922421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083318
observed 854dd0750531f41334bc3067452d112e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:34.903865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083318/manifest.json
observed 538c2d7590d426348c1b5d810ddad844...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:34.884775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083318/publication.md
observed 59b4717967c97fd9295159c2769070b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:34.868594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083318/publication.txt
observed 7a44704cbcc73b48ca4a22f20409eb98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:42.765596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083318
observed 854dd0750531f41334bc3067452d112e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:42.750878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083318/manifest.json
observed 538c2d7590d426348c1b5d810ddad844...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:42.736255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083318/publication.md
observed 59b4717967c97fd9295159c2769070b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:42.719554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083318/publication.txt
observed 7a44704cbcc73b48ca4a22f20409eb98...
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.