OpenTechnical

OT-2026-000075034

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000075034) never changes.

Identity and time

Publication numberOT-2026-000075034 · never reused
Internal UUID01a0ae93-ac2e-7267-817b-61df1235939d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075034
StatusPUBLIC

Content hashes

Canonical text83c5d1b2b39957a12c4aa1b0f7def3f5fe76be77ad0e3066355b342f35e05b92
Markdown246a684df891150981c6d742e5116d899f127ef1572967a38a0c746592933663
PDF
Publication pageb75b55a03f170810a16e455421ff9dd1e7454b3e89f6475192a731e0f7acf869
Manifest398acb965a2f64d9c991e054bae8e91ed49c6c8c63fa3a7b182ae6a7804e3516

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
SignatureoCsY3P5gEyDp49kVn4rDgz8OzIi1qn+Il6u/Ym1h0ZBGv/TeZq+iBsJSv3cZYVZqXXj3FOo/9Pwu6i9y7zXkAg==
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

2026-09-17T10:18:50.863928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075034
observed b75b55a03f170810a16e455421ff9dd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:50.847441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075034/manifest.json
observed 398acb965a2f64d9c991e054bae8e91e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:50.830314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075034/publication.md
observed 246a684df891150981c6d742e5116d89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:50.813252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075034/publication.txt
observed 83c5d1b2b39957a12c4aa1b0f7def3f5...
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.