OpenTechnical

OT-2026-000041050

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump fed, sustained blow-off after set-down, on a tool changer

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-2026-000041050) never changes.

Identity and time

Publication numberOT-2026-000041050 · never reused
Internal UUID01a0ae79-b10e-79c6-a277-6f3927139386 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041050
StatusPUBLIC

Content hashes

Canonical textf9a1ac7b5155eaedbb86aa9bfdc63dc22dbfeb62965fe065c85415a78f55b89b
Markdownde5efe5a5c90aae88cf63c3b70a2c7a6e47d2b97f221bee381a685ba393fa546
PDF
Publication page80bc8e50d10066ce352967ff1c4bb118a54a8ad41014df0c4a8c6e0929ca07c0
Manifest062456db57015ec227912da4a8d8c70559bfb7296eb4d78383c924bec1cd4d89

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
SignaturelAgfISSKRkVMBiPwpDtN5pRg53B4ZuC+cVLDhoRcm2PWFQGFResy4knZyCVdFa7OasIqD0GFoBPG9Ly/8CQADg==
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

2026-09-17T11:16:57.716925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041050
observed 80bc8e50d10066ce352967ff1c4bb118...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:57.700308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041050/manifest.json
observed 062456db57015ec227912da4a8d8c705...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:57.681667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041050/publication.md
observed de5efe5a5c90aae88cf63c3b70a2c7a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:57.663300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041050/publication.txt
observed f9a1ac7b5155eaedbb86aa9bfdc63dc2...
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.