OpenTechnical

OT-2026-000006928

Publication integrity record

Porous face vacuum gripper, per zone isolation, two outlet manifold, three stage ejector, closed cell

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-2026-000006928) never changes.

Identity and time

Publication numberOT-2026-000006928 · never reused
Internal UUID01a0a96c-a1a8-7aac-899b-d5cab62f9d90 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:54:23.915622Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006928
StatusPUBLIC

Content hashes

Canonical text022cc08262d3f7282b926794247f0b1d765dfc20406c28fbf47d30d761e56c4d
Markdownce8869f4ecdeffd9ee86a30510533e43aefa9b840901d39b921f14727b81e289
PDF
Publication pagee68cdd89cfb3d72ea4455d4703e5aa0e320062a1a2fce425cf7d49b2cc3d2de8
Manifest37de4df47b49ce744e1200cf663a5f26e976d93f9063788ba203658047c14416

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
SignatureF0d/6G0FIdCl9SZ7O+PP36jfHcKdIHN5St4t2C2aiLvVFiqKrITOhBNwGQVt8eB9d07Sb59HYyQmpXzPn0ZvAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:20.998965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006928
observed e68cdd89cfb3d72ea4455d4703e5aa0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:20.984471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006928/manifest.json
observed 37de4df47b49ce744e1200cf663a5f26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:20.969972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006928/publication.md
observed ce8869f4ecdeffd9ee86a30510533e43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:20.957983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006928/publication.txt
observed 022cc08262d3f7282b926794247f0b1d...
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.