OpenTechnical

OT-2026-000089288

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, pump fed, supply line pressure sensor, 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-2026-000089288) never changes.

Identity and time

Publication numberOT-2026-000089288 · never reused
Internal UUID01a0ae9b-db01-7692-bf76-d495d475d039 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089288
StatusPUBLIC

Content hashes

Canonical text9f45fc1aea31c748ba13d50f70d0521a99c9cce5eaf633537a7ef602e2e954ce
Markdownad7417c7e23eb8fddce3fa29248030493f82c364a8f2b438100fc1750a0559b8
PDF
Publication paged7ee743a07328c7829949691a08815788ad435f9c123cdd4b5807a0779573668
Manifest11723bf4d35231cb73d0a3f841b9244e1b849a8a17e300baa4205720671a28a3

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
SignatureK8KJSZtMsU0glQ15m8jfUVXgqdx/U0Byv5YdQFnNXIjLcds+N0V42zYRrF0paSxtN+fTbIqekCeUnlcsoUfFCQ==
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

2026-09-17T09:47:20.058338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089288
observed d7ee743a07328c7829949691a0881578...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:20.041005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089288/manifest.json
observed 11723bf4d35231cb73d0a3f841b9244e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:20.021355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089288/publication.md
observed ad7417c7e23eb8fddce3fa2924803049...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:20.002788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089288/publication.txt
observed 9f45fc1aea31c748ba13d50f70d0521a...
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.