OpenTechnical

OT-2026-000018318

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed 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-2026-000018318) never changes.

Identity and time

Publication numberOT-2026-000018318 · never reused
Internal UUID01a0ae6e-b489-7243-87f6-3c899f6200ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018318
StatusPUBLIC

Content hashes

Canonical textb3626e7c66d1b19a0565509362f250c43694f19da159ce7ed70349439def3db8
Markdown4fcdd3a0b226210f5a436c1b7fc95970c883ee8024c78bcb598341509f9864ad
PDF
Publication page1a2d884e86007158e4681cb8689b00c155f09a493182629f4e24e9045ec901fa
Manifest3f8563792839e8027af91e17cad50fcf945ca2e690d78e327fa2ff606ee9049b

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
SignatureCXowZYtcXzJlMBpikUffCiBvSGSIW83PHOdKNeqkXtjVASSaLQbX7k8AXYJhIHhMNL1ejFHHwSZef1OulCuCCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:01:03.295273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018318
observed 1a2d884e86007158e4681cb8689b00c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:03.279417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018318/manifest.json
observed 3f8563792839e8027af91e17cad50fcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:03.263907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018318/publication.md
observed 4fcdd3a0b226210f5a436c1b7fc95970...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:03.246652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018318/publication.txt
observed b3626e7c66d1b19a0565509362f250c4...
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.