OpenTechnical

OT-2026-000100444

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, 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-2026-000100444) never changes.

Identity and time

Publication numberOT-2026-000100444 · never reused
Internal UUID01a0aea3-66ef-704a-80de-9f493587b334 · 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-2026-000100444
StatusPUBLIC

Content hashes

Canonical text0c75a385deb1403b09951d6b333cf1bde49262f37ba324d9d89ec54be7b70801
Markdown18c5594573fbe7919fa26f3f4ec8411de5be4f96d0dbb24fe7974bc74604dc48
PDF
Publication page56bcb1a03d451c2b2a6b8741a78392594aca7fd6b49d4ee774b91a16eabc0a32
Manifest92fefdbac236ef97b77b7f6a3947695b22b09e6c80db0dc8b0211cb56a1195db

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
Signaturexa5tmMszjTfA9gcJ77VhKzdmHr5hDWD++cBwApF2QulfH91ADDXWNVgZceCfkb4Mo+FRNeBtxI44NeFZq15JBA==
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

2026-09-17T09:27:11.258828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100444
observed 56bcb1a03d451c2b2a6b8741a7839259...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:11.242188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100444/manifest.json
observed 92fefdbac236ef97b77b7f6a3947695b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:11.224533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100444/publication.md
observed 18c5594573fbe7919fa26f3f4ec8411d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:11.206183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100444/publication.txt
observed 0c75a385deb1403b09951d6b333cf1bd...
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.