OpenTechnical

OT-2026-000102321

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, pump fed, pulsed 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-2026-000102321) never changes.

Identity and time

Publication numberOT-2026-000102321 · never reused
Internal UUID01a0aea4-50f4-7b08-b041-e8c930ee3bd2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102321
StatusPUBLIC

Content hashes

Canonical text7eca2a62fd6c06250c5997a4779adbf211b6740ec0500068cbfb88dbf1fedb01
Markdownc2e23563104f2a276542b460bdfc9dc091313479dc56df655f7c087b692ed8ad
PDF
Publication pageac313874c91d78821d595c583883c2f9722a48b8bd26cb0543f21f8a49cd0022
Manifest1d47bb5e37faf6f03239e3050a36d8df2814834883b5ee5b1b8e45629dd78d18

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
Signaturemn6RvwBHhQ9Fa9Qv2WgpHHyeHKe1fXJQjrAPgcE0f/T6JylmO9bbnoWaSReiQdP8IVxugkn+Ra0mKZTPNMSsBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:31.411063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102321
observed ac313874c91d78821d595c583883c2f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:31.391444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102321/manifest.json
observed 1d47bb5e37faf6f03239e3050a36d8df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:31.366521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102321/publication.md
observed c2e23563104f2a276542b460bdfc9dc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:31.349441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102321/publication.txt
observed 7eca2a62fd6c06250c5997a4779adbf2...
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.