OpenTechnical

OT-2026-000004433

Publication integrity record

Bellows cup vacuum gripper, per zone isolation, two outlet manifold, plant vacuum fed, pressure verified

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-2026-000004433) never changes.

Identity and time

Publication numberOT-2026-000004433 · never reused
Internal UUID01a0a917-8f53-7cae-a245-6e69001398a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:21:28.662811Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004433
StatusPUBLIC

Content hashes

Canonical texta37f89fe3f0f38ad926ce6a23d94dd6b6e97d8c32e44f857a63e4f7ab0a1ad7d
Markdownb0acd971955d262ca0699e25c6f9fd53c0065caadfa8191a96019e052d0362ed
PDF
Publication page5df65a144fb047be9ba64bb1dd2010d0143a125a5cfbf743ea943171aad2be77
Manifest526259053b1a911e8435c29630a53e39328e77a882c4a1c5da8348b39270ca80

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
SignatureCq+hscS2z09egBnuKb6fXXKvGItDeJpZh941DkKfBKFjzGP5uurNqf60IqFox1NDCqMgiJVklVDi+BAymBsHCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-10-17T04:41:04.434851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004433
observed 5df65a144fb047be9ba64bb1dd2010d0...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-17T04:41:04.381884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004433/manifest.json
observed 526259053b1a911e8435c29630a53e39...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-17T04:41:04.331198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004433/publication.md
observed b0acd971955d262ca0699e25c6f9fd53...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-17T04:41:04.089506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004433/publication.txt
observed a37f89fe3f0f38ad926ce6a23d94dd6b...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-21T04:23:21.189210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004433
observed 5df65a144fb047be9ba64bb1dd2010d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-21T04:23:21.177430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004433/manifest.json
observed 526259053b1a911e8435c29630a53e39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-21T04:23:21.164598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004433/publication.md
observed b0acd971955d262ca0699e25c6f9fd53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-21T04:23:21.126332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004433/publication.txt
observed a37f89fe3f0f38ad926ce6a23d94dd6b...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent