OpenTechnical

OT-2026-000019289

Publication integrity record

Six cup vacuum gripper, six 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-2026-000019289) never changes.

Identity and time

Publication numberOT-2026-000019289 · never reused
Internal UUID01a0ae6e-f392-7ed3-98cf-676ef9a30a09 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019289
StatusPUBLIC

Content hashes

Canonical textf64111d53ceb5e6ce9332f53db0fd5655585ec5c4733ff9fa4e6cd52159d9f9d
Markdown03ebb94ce6e6818ed000981bb745a5fc41e6ae200bb623411a211f5b1ea8b75f
PDF
Publication pageba2f1b7c89d24dda73b0f0f731828f15aeb151f6b7d2e5e48a28c13e32187137
Manifesta158ed04ce09d884990aa9701836736ec080fc89cd29a7ae811d6b5910e47710

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
SignatureBNXF/QEs6PxHeaYVkOCcLVGQEpQOvmzlyNmUc+1AHRv0/Ng8cZEtpyNVeyg6jHM+aLr3/mhD8dkGfho8tQBwAQ==
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

2026-09-17T11:58:38.563877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019289
observed ba2f1b7c89d24dda73b0f0f731828f15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:38.546314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019289/manifest.json
observed a158ed04ce09d884990aa9701836736e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:38.527499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019289/publication.md
observed 03ebb94ce6e6818ed000981bb745a5fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:38.508248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019289/publication.txt
observed f64111d53ceb5e6ce9332f53db0fd565...
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.