OpenTechnical

OT-2026-000037165

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off 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-2026-000037165) never changes.

Identity and time

Publication numberOT-2026-000037165 · never reused
Internal UUID01a0ae77-7741-74bf-be9c-09e9857fbd02 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037165
StatusPUBLIC

Content hashes

Canonical textfe04993a7d619e1acb434d0c17a4431403bf55b6cb389b9836f6a5e7eda0e9cd
Markdownd2d5be083d0d04ea7d7f889735e9d2e35730169f3174a85427b8ea39244d5f1b
PDF
Publication page4f11182412f338c5c0d136011236b16cb4427a93f18c90c327756bec73e5dfd5
Manifeste5e3d51f389b9ac84f952d6ef054f9c8ad0e178f48e34f26a0a6f64d6a28954f

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
Signature5dEdZ5AiYL2iSeri+iTgCRTce6qSePzb+9LZ5iNersp6F5KNdz0gwUM0zR6zl7VAJGPizeLbCBDsJY0haVbYBQ==
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

2026-09-17T11:25:00.345958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037165
observed 4f11182412f338c5c0d136011236b16c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:00.329271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037165/manifest.json
observed e5e3d51f389b9ac84f952d6ef054f9c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:00.298437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037165/publication.md
observed d2d5be083d0d04ea7d7f889735e9d2e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:00.270561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037165/publication.txt
observed fe04993a7d619e1acb434d0c17a44314...
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.