OpenTechnical

OT-2026-000006834

Publication integrity record

Bellows cup vacuum gripper, common isolation valve, four outlet manifold, pump fed, plastic cups

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-2026-000006834) never changes.

Identity and time

Publication numberOT-2026-000006834 · never reused
Internal UUID01a0a969-07d3-7b3e-bb3d-56a387341748 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:50:27.925624Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006834
StatusPUBLIC

Content hashes

Canonical text2363156bd0a684a31b9dbd46b8caf7960e582671e57050815a80be43ecd33e3d
Markdown115f0e9a55f3ddd167563f0e00e4fa6120715863f208587723c72ca0cdcb9526
PDF
Publication page1320b9277b56a08f2024c194ac3717cf00548908098e29e38e916651e36d892f
Manifest9fe99b92224d4d7047e3a50c2478f0053a36052c599aef6ef7a5a242b747ed37

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
Signature3GOBV0A/OK0eGhF6kAOGowxjO8neOimuUvTVxFFbA1aqBlIkn5UmAEerfWm0tT6AVfmAT5iIg4ZEE2brOExtBg==
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

2026-09-16T09:00:30.973606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006834
observed 1320b9277b56a08f2024c194ac3717cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:30.959230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006834/manifest.json
observed 9fe99b92224d4d7047e3a50c2478f005...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:30.945232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006834/publication.md
observed 115f0e9a55f3ddd167563f0e00e4fa61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:30.931418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006834/publication.txt
observed 2363156bd0a684a31b9dbd46b8caf796...
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.