OpenTechnical

OT-2026-000070310

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, vented 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-2026-000070310) never changes.

Identity and time

Publication numberOT-2026-000070310 · never reused
Internal UUID01a0ae91-545e-72e2-957c-b1fe43a0e10c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070310
StatusPUBLIC

Content hashes

Canonical textb289a33724c16c70198278dddfda03b363a638211e8e8b698ff0948cdcec2f43
Markdowna14dada631dfa3c4a73652f29a28d07a9668680085b4cb4a60a1dcfd86a1bd5c
PDF
Publication pageecbdf2964d095ee3c9f9981c9b628b0ad262c40e36c16bb514975866c84bb831
Manifestec67d05b366a02f56cdee49cce1c8553ffed74b3ab6b645797c17ea05e7b05c8

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
SignatureN/ujn/f2WU9oM65wxxU7yi3UpATf57Lchd4jLxW82ckbnTzOpy10TVmR+yJ9FyCSc6QzO6imCDlHxln8o9vcBQ==
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

2026-09-17T10:26:05.915276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070310
observed ecbdf2964d095ee3c9f9981c9b628b0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:05.897948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070310/manifest.json
observed ec67d05b366a02f56cdee49cce1c8553...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:05.880532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070310/publication.md
observed a14dada631dfa3c4a73652f29a28d07a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:05.863000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070310/publication.txt
observed b289a33724c16c70198278dddfda03b3...
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.