OpenTechnical

OT-2026-000019026

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000019026) never changes.

Identity and time

Publication numberOT-2026-000019026 · never reused
Internal UUID01a0ae6e-d523-7220-89f8-c3a0d9f73683 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019026
StatusPUBLIC

Content hashes

Canonical textb6f8271f94a650672023f356322900b7a4c65cd00ccb81c67e37b6f11c2ec4aa
Markdown27dcad3d6d624e038ed7f0db63a1cfa793a975f1f944150bb6573fae754117c5
PDF
Publication page63b6acbe4417d4f511e34362318d4e838ce8bb7172872d08a119ce74cd2c0d94
Manifestdd0a94877f74ad4759185f2f79de3ed346d132fac4652996e0e99d175c333f5a

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
SignaturekSf9BjS99f0l+dd6HfOVc6WphaWnYzygUEDG0Kn74X0hreDR1KRjONsP+lrMaXU6aAA+eKKDuort8puiS6oGAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:59:42.864449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019026
observed 63b6acbe4417d4f511e34362318d4e83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:42.846624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019026/manifest.json
observed dd0a94877f74ad4759185f2f79de3ed3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:42.828557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019026/publication.md
observed 27dcad3d6d624e038ed7f0db63a1cfa7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:42.810032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019026/publication.txt
observed b6f8271f94a650672023f356322900b7...
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.