OpenTechnical

OT-2026-000077692

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, vented after 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-2026-000077692) never changes.

Identity and time

Publication numberOT-2026-000077692 · never reused
Internal UUID01a0ae95-2ecf-709a-8485-c1e1449e7697 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077692
StatusPUBLIC

Content hashes

Canonical textb903aa3b9dcfe1ea89d06153d5b66af65f8417b424f7bc9b8963d68968b31490
Markdownada8d83e1bacc6580975412f823c372fa41f8b61f253fc45630707e8a1117463
PDF
Publication pageab6049ed9054f8575c133b7025ad80af8b55bb3a5d9576d21c83c03928dae892
Manifestaa279b8da56f22f75519552b13c6aac68f993f5e5b636b5387bc11dd41ff2389

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
Signature0yJxcrPBJ0WFJxI8nA2baWkyI7odb6sG/UdPYV9KltTnO+TYRP1VBslwUQbKN7tFXP3xIcrARPorv6cQnD7oAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:06:55.718813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077692
observed ab6049ed9054f8575c133b7025ad80af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:55.701619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077692/manifest.json
observed aa279b8da56f22f75519552b13c6aac6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:55.684452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077692/publication.md
observed ada8d83e1bacc6580975412f823c372f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:55.666923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077692/publication.txt
observed b903aa3b9dcfe1ea89d06153d5b66af6...
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.