OpenTechnical

OT-2026-000006864

Publication integrity record

Bellows cup vacuum gripper, per zone isolation, plant vacuum fed

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-2026-000006864) never changes.

Identity and time

Publication numberOT-2026-000006864 · never reused
Internal UUID01a0a96a-1387-7e01-b671-557a04ed8a2b · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:51:36.457723Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006864
StatusPUBLIC

Content hashes

Canonical text177c707900d29c9c8b30fb81463901e7638b054da1483581460e4183f30875aa
Markdownea24e2437195412074a4cf7cb05ee996ddb10b9c0e7fe93e7403ae6a034211b6
PDF
Publication page74ab53b528adb061b16159a5861b56e1ff7df443512fe6ed2ddf6870439dd5a3
Manifestac69aaf5ee2e63892dcc8114fe857337093314be7924a46e03809bb72ec712c5

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
Signature5AR9QoPAq+KV1n5iG53GAns6nPGd4lbtobDKj4pA4wvE7jTAaSys7PRI3gdEPWJ+Bvt/SH71k1kRYKOQeNmuCQ==
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

2026-09-16T09:00:27.759847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006864
observed 74ab53b528adb061b16159a5861b56e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:27.748181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006864/manifest.json
observed ac69aaf5ee2e63892dcc8114fe857337...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:27.735603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006864/publication.md
observed ea24e2437195412074a4cf7cb05ee996...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:27.723574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006864/publication.txt
observed 177c707900d29c9c8b30fb81463901e7...
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.