OpenTechnical

OT-2026-000100405

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, three stage ejector, 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-2026-000100405) never changes.

Identity and time

Publication numberOT-2026-000100405 · never reused
Internal UUID01a0aea3-66ee-7813-9404-cabf80a1f928 · 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-2026-000100405
StatusPUBLIC

Content hashes

Canonical text33ed0ed1c9ccb50827142fd069fc7f626267e8bfe700b8fbc6fad542c26e7283
Markdown6ccc7d0215f2f4d3874f57d90f3ebac7f9fc8b8bb2459daf0134bce090c4b548
PDF
Publication page99523c6acd0e9f8c28ef5c0c8d87bc760e4e18d76419e91ff5bdcc08c16a57e3
Manifest553b4788df18bc2274bba023df52dc8f4a5cbfcc0a7dcfa2f439837f16fe5bab

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
Signature7XwWGzANXsI4msKI3zJKIn8cBMdTDd56HRuoc6kCpUItCPJVFOasyLoh6C0SoTEB2m9byvcR3IzsnLG05Y9yBA==
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

2026-09-17T09:27:08.623056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100405
observed 99523c6acd0e9f8c28ef5c0c8d87bc76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:08.605402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100405/manifest.json
observed 553b4788df18bc2274bba023df52dc8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:08.588013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100405/publication.md
observed 6ccc7d0215f2f4d3874f57d90f3ebac7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:08.571162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100405/publication.txt
observed 33ed0ed1c9ccb50827142fd069fc7f62...
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.