OpenTechnical

OT-2026-000095244

Publication integrity record

Four cup vacuum gripper, four zone face, pump fed, pressure sensor per zone, sustained blow-off 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-2026-000095244) never changes.

Identity and time

Publication numberOT-2026-000095244 · never reused
Internal UUID01a0ae9f-8f70-7be1-aa16-34e83e17b50b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095244
StatusPUBLIC

Content hashes

Canonical text7aef599a92a9438a27e288228d508b27a260cadd08ac12cd34a968fb37db2fc6
Markdownad2e9f4b4cc80a242b8bf548c8b8103d3c68b96a520fdb407463f6cc3a13f4e3
PDF
Publication pageb4d3fb7ed979b05c9c5e9136ef3087924b04714114a4fb27552a156641ea364f
Manifestee16989bf1885d12a170c886d77ebf63934f3e3ad8ab468c4056fcbb6b13b508

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
Signatureka93nKyV5bihn6V8wa+VnYZQLCBLDCrCbVnIRikJX57tXN1MEiWFLtdF3+m7FjB/HXFR/LfNji8s9xCe7O+CDQ==
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

2026-09-17T09:36:24.076523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095244
observed b4d3fb7ed979b05c9c5e9136ef308792...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:24.059126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095244/manifest.json
observed ee16989bf1885d12a170c886d77ebf63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:24.013922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095244/publication.md
observed ad2e9f4b4cc80a242b8bf548c8b8103d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:23.973015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095244/publication.txt
observed 7aef599a92a9438a27e288228d508b27...
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.