OpenTechnical

OT-2026-000005076

Publication integrity record

Vacuum cup gripper, two outlet manifold, ejector fed, pressure verified at each zone

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-2026-000005076) never changes.

Identity and time

Publication numberOT-2026-000005076 · never reused
Internal UUID01a0a92d-15f8-752b-8b07-677d802fa1bb · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:44:59.387686Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005076
StatusPUBLIC

Content hashes

Canonical text9c329c258e9f70228103ec7254cdf535484c7688e2adc02a6c94342867c23b54
Markdown76e695e8c518b0839652ccb61fc8e0d0578ce52dc98919aa59a92dde8598548f
PDF
Publication pagea5df5282722edefd7824df126b2469bbdbff2b33068e04cc73d32eef58461bf4
Manifest3dc68be27100db3e5835f1851154b60b748137b708374cd0e4e85d85e64269be

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
SignatureNaVJte2YMrpXWjQBqnMIwu1hpaCYC/BdpQOQFz/oKig/ozvWnBQqJzmBj6I+5qijsanj+XtBcb3BapOvh/c9CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:50:18.148799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005076
observed a5df5282722edefd7824df126b2469bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:18.135103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005076/manifest.json
observed 3dc68be27100db3e5835f1851154b60b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:18.121027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005076/publication.md
observed 76e695e8c518b0839652ccb61fc8e0d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:17.989239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005076/publication.txt
observed 9c329c258e9f70228103ec7254cdf535...
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.