OpenTechnical

OT-2026-000007865

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000007865) never changes.

Identity and time

Publication numberOT-2026-000007865 · never reused
Internal UUID01a0ae6a-908a-7516-bf1f-421894e49550 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007865
StatusPUBLIC

Content hashes

Canonical text402429156b698bad883f4e1884e626b7d77611ae4551fbde423e6d9ee09974ba
Markdown33b66e7547a4135eb4ecd6ba26a911e5bc5fff5efe1f5b5dd73cc3c1ad3c9a57
PDF
Publication pagef2c0fd7dee5deb98f527cc6b08be02f3564a406cda7a0c331e8f2b9654df7fcd
Manifestee7a0ac5b8636a6affb6aff78822dd5ab9c87897bf8b745dc0287ea3f339d098

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
SignatureuDaj3A2vNVyCdPMT/eg0MbWMoAIvme9eKMgFXXaxUT5LRPOMC1j6SdbyUna3CGuyOiTdoKFn1+BMTwoejDNeCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:18.701668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007865
observed f2c0fd7dee5deb98f527cc6b08be02f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:18.684686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007865/manifest.json
observed ee7a0ac5b8636a6affb6aff78822dd5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:18.666577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007865/publication.md
observed 33b66e7547a4135eb4ecd6ba26a911e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:18.648241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007865/publication.txt
observed 402429156b698bad883f4e1884e626b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:51.620871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007865
observed f2c0fd7dee5deb98f527cc6b08be02f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:51.602517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007865/manifest.json
observed ee7a0ac5b8636a6affb6aff78822dd5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:51.580495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007865/publication.md
observed 33b66e7547a4135eb4ecd6ba26a911e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:51.562371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007865/publication.txt
observed 402429156b698bad883f4e1884e626b7...
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.