OpenTechnical

OT-2026-000007029

Publication integrity record

Vacuum cup gripper, two stage ejector, pressure verified, contact triggered, vented 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-2026-000007029) never changes.

Identity and time

Publication numberOT-2026-000007029 · never reused
Internal UUID01a0a970-1c6a-77ed-89da-d0c901813f6e · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:58:11.949290Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007029
StatusPUBLIC

Content hashes

Canonical text39fd3e45e159dbc880d5607f513ad9154d669ccef73a9dd2f86b9637007ce372
Markdown3a18821977c030105dcf511c9032d185f4a480b45d24b30461c92ac914fa1b81
PDF
Publication page9aa0a62671b4e7c5350607b46c9dd9b800c42905680bbcec2c00dbfab07eb6e2
Manifest1850df5af5742ba1e31b861a99d477ccd8c1844f2296cc385cdb555f735acbbd

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
SignatureZyU2Hhz71UGW8ab4Le00R2Ovrxv5/7nS5DbAyG1u+5LDuDLl4yP+s5ooEuIdFwS12MEESuKjCkYiyVOznRSpAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:09.982919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007029
observed 9aa0a62671b4e7c5350607b46c9dd9b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:09.969752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007029/manifest.json
observed 1850df5af5742ba1e31b861a99d477cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:09.956363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007029/publication.md
observed 3a18821977c030105dcf511c9032d185...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:09.940848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007029/publication.txt
observed 39fd3e45e159dbc880d5607f513ad915...
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.