OpenTechnical

OT-2026-000100566

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, 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-2026-000100566) never changes.

Identity and time

Publication numberOT-2026-000100566 · never reused
Internal UUID01a0aea3-66f2-76c3-ae84-189480bb0996 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100566
StatusPUBLIC

Content hashes

Canonical textc268a528da7776cdde38583868367948d3408a80c62b4c27afb63fee3514631d
Markdown4ebf6b1fb546bb85e117a650a86fd9a81c30eafa8e2ffa7934448cb94244cb51
PDF
Publication page4c38a0b66145a786e446d75e6900270e85036faaf5d8ca2bc66e32eb2f47497f
Manifest7454858b555fab6e18a60e39c52ad199f4657788df6dc12aa99852e6ec346c5e

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
SignatureceYgojPse8jXdjeRDHz8kLoinuZDd+roDazcAQvk42O8d/xhvZXVsUuwlpS94bziiacaUwZw881TlVFwGwrlDg==
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

2026-09-17T09:27:20.617250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100566
observed 4c38a0b66145a786e446d75e6900270e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:20.597995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100566/manifest.json
observed 7454858b555fab6e18a60e39c52ad199...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:20.580783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100566/publication.md
observed 4ebf6b1fb546bb85e117a650a86fd9a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:20.561263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100566/publication.txt
observed c268a528da7776cdde38583868367948...
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.