OpenTechnical

OT-2026-000075645

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two stage ejector, pressure sensor per zone, pulsed blow-off before 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-2026-000075645) never changes.

Identity and time

Publication numberOT-2026-000075645 · never reused
Internal UUID01a0ae94-29fd-7f28-890e-bbdc37508e7b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075645
StatusPUBLIC

Content hashes

Canonical text9b6025e13a4ee448d76385322600c3f47d1d07f8a5f3b48a2416f64dc25f7cbc
Markdown9b9b2812205d0cbf706ed7937279d2544e058728e86d7f1e379338a4b62dc976
PDF
Publication page16c71fed8632e8666f6f54f38c0ff7ad457b2b9ec91b5a7ff5a54adc02d3270c
Manifestc3cc116c287220f2daca33c234f30fbae2854647ecbd88008e4704f29825976d

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
SignatureLw05lEWBvZ00Vlfuv6iuia+l66znDZnPo8mu8Fl93nxHnLXoFoq5DSU6beFMlzu1WZ7i3tjw/NZZs4U5hgjADQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:13:39.727224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075645
observed 16c71fed8632e8666f6f54f38c0ff7ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:39.562713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075645/manifest.json
observed c3cc116c287220f2daca33c234f30fba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:39.518000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075645/publication.md
observed 9b9b2812205d0cbf706ed7937279d254...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:38.790532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075645/publication.txt
observed 9b6025e13a4ee448d76385322600c3f4...
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.