OpenTechnical

OT-2026-000095867

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, sustained 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-2026-000095867) never changes.

Identity and time

Publication numberOT-2026-000095867 · never reused
Internal UUID01a0ae9f-fac7-7bbe-9a10-e8b935e55100 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095867
StatusPUBLIC

Content hashes

Canonical text72ddd3ffaa9e264e29be8e54093ecf3a747b564810c6f9ff1bb7b0653bd3fcfc
Markdown5d5fd93f957c68b3de19267e497f4d17f38a32eaf7c812f9d94d7d961b37572f
PDF
Publication page6bb0f8f1adc6e77bcaa31b8e0e088f29957a5c641f2aeccbceb284850ef89790
Manifest0f2cd75323b776f02ae6fdd09b35634c02b8653f1039a9adbe744a845fc03987

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
SignatureRF4eTe+6JpBkpiuImvj6NOOdxsJsAgIX1HIRG1v8otqWMI+X0Gqk0mtWEy5Zf+QP8hFnLOVXH/S0BbgYhK31AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:35:57.694887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095867
observed 6bb0f8f1adc6e77bcaa31b8e0e088f29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:57.674359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095867/manifest.json
observed 0f2cd75323b776f02ae6fdd09b35634c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:57.563012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095867/publication.md
observed 5d5fd93f957c68b3de19267e497f4d17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:57.544158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095867/publication.txt
observed 72ddd3ffaa9e264e29be8e54093ecf3a...
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.