OpenTechnical

OT-2026-000006812

Publication integrity record

Porous face vacuum gripper, ejector fed, pressure verified, 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-2026-000006812) never changes.

Identity and time

Publication numberOT-2026-000006812 · never reused
Internal UUID01a0a968-38c7-7455-b411-2358433bc410 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:49:34.921681Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006812
StatusPUBLIC

Content hashes

Canonical text3412aec4939510331a3145f62bdf8762eb111a503b14b132f9788fa872cd44ac
Markdown94aac27ca76992ddd3afd8d599c6c1bd1d7597375fd17f5e4a5484077ffb21f9
PDF
Publication page6620e134b72cf2b6b26de6e2e88f6fda201cf06a97f00c37f88d11925d66eaa8
Manifest478ca02b07ffd665f37c0ce07a9fb518a66565aced1be01ed9b9d7baae6c41d1

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
SignatureqarbCbEVNZBa5YLrkXeuL62Ckw8J8tKwbelXL/+Uh1uE0ME2Ctpp9uZzJfbOTo92Y8/iwq2W3XKJlDKin/UXDw==
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

2026-09-16T08:50:03.661183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006812
observed 6620e134b72cf2b6b26de6e2e88f6fda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:03.648797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006812/manifest.json
observed 478ca02b07ffd665f37c0ce07a9fb518...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:03.635015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006812/publication.md
observed 94aac27ca76992ddd3afd8d599c6c1bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:03.495019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006812/publication.txt
observed 3412aec4939510331a3145f62bdf8762...
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.