OpenTechnical

OT-2026-000064729

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000064729) never changes.

Identity and time

Publication numberOT-2026-000064729 · never reused
Internal UUID01a0ae8d-deba-7958-ae2e-b34065eac30d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064729
StatusPUBLIC

Content hashes

Canonical textc2681f95417d2d9088ef5d8964edb94d927490d92c443cc031459830ed76c7b7
Markdownf5d4edd20883a97e719a3211313530130112f4155ca4892a66b965f0eca00cba
PDF
Publication page530ad2f73c1206aa4bec7ee1a1d458031adaed12f51b3e6b0cf114e8696da76e
Manifeste000d3bce61eb56701766db99e77b2852d94c8a4c6de07eb1b254f1aef68ba63

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
Signature6AKLS2DeZkff6qF95/fMG7XOn+Fi4CLAFEbuAOLGVIwdjZoD7RhMKBJDFURoSez64CxN1l+4o/IOVHakKMoXDQ==
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

2026-09-17T16:42:14.387664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064729
observed 530ad2f73c1206aa4bec7ee1a1d45803...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:42:14.163824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064729/manifest.json
observed e000d3bce61eb56701766db99e77b285...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:42:13.967360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064729/publication.md
observed f5d4edd20883a97e719a321131353013...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:42:13.735166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064729/publication.txt
observed c2681f95417d2d9088ef5d8964edb94d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T10:35:36.395747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064729
observed 530ad2f73c1206aa4bec7ee1a1d45803...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:36.378502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064729/manifest.json
observed e000d3bce61eb56701766db99e77b285...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:36.362172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064729/publication.md
observed f5d4edd20883a97e719a321131353013...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:36.343539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064729/publication.txt
observed c2681f95417d2d9088ef5d8964edb94d...
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.