OpenTechnical

OT-2026-000027190

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, supply line pressure sensor, 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-2026-000027190) never changes.

Identity and time

Publication numberOT-2026-000027190 · never reused
Internal UUID01a0ae72-3454-70d9-badf-e4010e7ac64d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027190
StatusPUBLIC

Content hashes

Canonical text523909e3277b2bb3a9dd5a6516347a9a65c8023545e35e05d0eab36c528f2897
Markdown4f386ec5480bf9c2b07d001f538311aec1eb7d3479981eb5278e080780235a56
PDF
Publication page588e84a7f9290714cfb0ac291208d559a11f724d634788b50edbff97625e2533
Manifest28a8b9fd52d8cc468352e9feddd5f537eecfde32077b3777084cc9f2605b644a

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
SignatureOROdI2RjgT6KFxzjwtzDYkVBMD9xD9mMvs/v3m943qFFmBj+UDXfb4zWljTIWpePvi1toE1M7pyayOmdi98rCQ==
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

2026-09-17T11:44:04.701319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027190
observed 588e84a7f9290714cfb0ac291208d559...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:04.685086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027190/manifest.json
observed 28a8b9fd52d8cc468352e9feddd5f537...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:04.668333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027190/publication.md
observed 4f386ec5480bf9c2b07d001f538311ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:04.650445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027190/publication.txt
observed 523909e3277b2bb3a9dd5a6516347a9a...
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.