OpenTechnical

OT-2026-000022215

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, three stage ejector, pulsed 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-2026-000022215) never changes.

Identity and time

Publication numberOT-2026-000022215 · never reused
Internal UUID01a0ae6f-f4fc-76aa-85f0-c0392d0817db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022215
StatusPUBLIC

Content hashes

Canonical textb663bc66b491dd7e5864a8e1200de557f32df22c5c941349816f20b0b312db12
Markdown64bf747c78e675fc45998f1946ffe399ee83657a8142d0682f2e60452d4a1aa1
PDF
Publication page9d9c5e802a005d0ea789119899d7bf2e4c321d1e002c2c345f8b603a7b2f794c
Manifest932ec9112db6123fb837b50cc9680fb64439dee0d31135b058487d9ca75a1bc0

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
Signature3+pAU/O/zOmsBDRtE2gzu6S8rBNPpvKmnqPfgYyZS5j6pn6Y+jQWaOn0/Auv5n6bCXSSgh8YYows3lK1ISuCAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:52:54.113825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022215
observed 9d9c5e802a005d0ea789119899d7bf2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:54.096367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022215/manifest.json
observed 932ec9112db6123fb837b50cc9680fb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:54.075508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022215/publication.md
observed 64bf747c78e675fc45998f1946ffe399...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:54.055092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022215/publication.txt
observed b663bc66b491dd7e5864a8e1200de557...
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.