OpenTechnical

OT-2026-000004096

Publication integrity record

Porous face vacuum gripper, two outlet manifold, three stage ejector, pressure verified

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-2026-000004096) never changes.

Identity and time

Publication numberOT-2026-000004096 · never reused
Internal UUID01a0a90e-a0be-775f-8b1c-db40d06ca1a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:11:43.297737Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004096
StatusPUBLIC

Content hashes

Canonical text13778ef9fff34921b2c22aea87d190fc94abbe08c5fce18eadad780b208f5c9f
Markdown4153bf2e3cd3b20642439e9cc6e13d8db448713932bd4e695278c9a3dc6a1f64
PDF
Publication pagec0ec729c0449a3f793aa761b95180cdfd7be0f2f70644e610476d783934bf2ba
Manifest55b28f4d4e4cc26d545739edc1950d42ee230ae300096244e081944e4ae75ff0

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
SignatureZoajYMd0b2l8Eh62aue2a6vDFX6n6OH2XFmPh7q60f41hreM7LCNEU/8b0CMRKFUAECuCGtebFG8AsDw0V3HCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:20:36.938097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004096
observed c0ec729c0449a3f793aa761b95180cdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:36.924493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004096/manifest.json
observed 55b28f4d4e4cc26d545739edc1950d42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:36.910580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004096/publication.md
observed 4153bf2e3cd3b20642439e9cc6e13d8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:36.895467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004096/publication.txt
observed 13778ef9fff34921b2c22aea87d190fc...
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.