OpenTechnical

OT-2026-000064238

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, 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-2026-000064238) never changes.

Identity and time

Publication numberOT-2026-000064238 · never reused
Internal UUID01a0ae8d-a460-7604-a539-d8fe97f5dfe2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064238
StatusPUBLIC

Content hashes

Canonical text8ea0b5500505bfe424026b01d32f769c56ddb67c993a9554a1ef8b36dbd5b21c
Markdownce274b8118dd4401a1b56dbdeb7bc95ab20d0edb9f7845da33a7bef2a13d705a
PDF
Publication page5ca786e2af798624bfa443b69d264c849fb8df3f04e20411f1d1bfc636927155
Manifest720ee2c4133405f334d4b74da31f1620a98b41ae6fcd6c25e05da5b950cb3e35

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
Signature3OD/IRlQ1WNExyTw6bTx8c5K8Dk2Xe5X4cilfmTQzPH/fhndGAnj43FoEvnBmVzHXlRaHXxlt5gdfSGOglFdCg==
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

2026-09-17T10:36:21.969923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064238
observed 5ca786e2af798624bfa443b69d264c84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:21.951799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064238/manifest.json
observed 720ee2c4133405f334d4b74da31f1620...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:21.931414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064238/publication.md
observed ce274b8118dd4401a1b56dbdeb7bc95a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:21.912987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064238/publication.txt
observed 8ea0b5500505bfe424026b01d32f769c...
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.