OpenTechnical

OT-2026-000006884

Publication integrity record

Vacuum cup gripper, common isolation valve, three stage ejector, pressure verified, rubber cups, flat form

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-2026-000006884) never changes.

Identity and time

Publication numberOT-2026-000006884 · never reused
Internal UUID01a0a96a-c5f4-703a-8d79-97719f84244a · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:52:22.135809Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006884
StatusPUBLIC

Content hashes

Canonical text9c43a13e0934400e550b6002ad4be43259f3c7c05305b3e84979ae05f724110e
Markdown304d2357a4ca47c7e59c9e324e5fdcc50625f55fd4a884329e787f4d7e6149fe
PDF
Publication page8962c1fc2ada2ee4d3b616d209ed1d287b44aae8708d3959998ec1a610b44333
Manifesta3cc404421b6b0ee2bec1077ce5b8d7b68a2d37ee5b6e4a3f5d9977cf28cbd6b

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
SignatureztIg8BsyqCRnJtmcuuP7v6GH4Isc5FmEITKIhg2eAZG0ISpw9Obu48HkqGcfJ/B0udehaxQFOzIpp9kWIYwmCg==
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

2026-09-16T09:00:25.701760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006884
observed 8962c1fc2ada2ee4d3b616d209ed1d28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:25.688414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006884/manifest.json
observed a3cc404421b6b0ee2bec1077ce5b8d7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:25.676590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006884/publication.md
observed 304d2357a4ca47c7e59c9e324e5fdcc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:25.663002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006884/publication.txt
observed 9c43a13e0934400e550b6002ad4be432...
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.