OpenTechnical

OT-2026-000096500

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, pressure sensor per zone, sustained 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-2026-000096500) never changes.

Identity and time

Publication numberOT-2026-000096500 · never reused
Internal UUID01a0aea0-a4a9-76a5-aa2f-29a24251603e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:18.648440Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000096500
StatusPUBLIC

Content hashes

Canonical text1c1a54b793b49cea52f9b471d13464e3630711f8c29108c032370905a26c25c3
Markdowna345db1f7d5be7f93bdfba3290cd18d07177dde26079ebe8ee0282c66cefb5e7
PDF
Publication pagebbf634a8ccb3a9272859d33ed5b153ac530941918f5461c3e37baf2060f8b02b
Manifest13a958b464a18a065e8719c0cf01f0a975286f767f4584342d119bbb87de9ba9

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
SignatureSbMWrQnL2hx1xKkGYKV94sZvabFPVae8H0JVPu0daB583Keq1Pox6YkqlTgoT2xPq3gsSzApj9eB+4FPzLL5Bw==
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

2026-09-17T09:33:54.597790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000096500
observed bbf634a8ccb3a9272859d33ed5b153ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:54.578790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000096500/manifest.json
observed 13a958b464a18a065e8719c0cf01f0a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:54.559853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000096500/publication.md
observed a345db1f7d5be7f93bdfba3290cd18d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:54.539897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000096500/publication.txt
observed 1c1a54b793b49cea52f9b471d13464e3...
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.