OpenTechnical

OT-2026-000009275

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, vented after set-down, on a tool changer

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-2026-000009275) never changes.

Identity and time

Publication numberOT-2026-000009275 · never reused
Internal UUID01a0ae6b-31ba-725f-9c0d-db4b862155de · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009275
StatusPUBLIC

Content hashes

Canonical text0a6b272f5a3916e849af431517afb80daac1d82c9a75d70f82e738a8ab2f306b
Markdownfa98cf6d0d678baf6c18adbbfade83dccf77614c36881590c65a1d12e1be92ed
PDF
Publication page61e18134f9a2697f9594f4d0ce2d5ed189edd11e9395ae55b2ae61ea5bcd491b
Manifest4a312696c8ccddfc26d9362190f7526b8d7e20831dcf8efcdaf0f810a1862da7

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
Signature3ef9Z1ZWukE06PCeBBGeIUE0JXUPPQ8xs3hYIb7ELRuAkvmZbPwTBbtKb7mKFTBf9IvIOv2WPhpjsXaXiSSrCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:02.328829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009275
observed 61e18134f9a2697f9594f4d0ce2d5ed1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:02.310983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009275/manifest.json
observed 4a312696c8ccddfc26d9362190f7526b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:02.291087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009275/publication.md
observed fa98cf6d0d678baf6c18adbbfade83dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:02.273667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009275/publication.txt
observed 0a6b272f5a3916e849af431517afb80d...
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.