OpenTechnical

OT-2026-000019198

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, 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-2026-000019198) never changes.

Identity and time

Publication numberOT-2026-000019198 · never reused
Internal UUID01a0ae6e-f391-7608-8f45-bbc857153d94 · 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-2026-000019198
StatusPUBLIC

Content hashes

Canonical text9027d1c61e5a9c8cfc50b48a80cd1b864ca63cad0db1ba09860d681b7cab5597
Markdown0514e381a133d0b2b79d36e119aa0a30ed35b1f46646fc85f8533173241b6e3e
PDF
Publication page9daa810f0228a1c36a6315fa78e90d547019ab97582883e0320e7878ae835697
Manifest2eaee1ae1cf7907bf34a95d654ddb9063175ee5b648795dc0a7e336edc5c8e64

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
Signature1LbjPPhQWi/iI67DG/vTT6CRg+avXK2m8zoTGBNWckohxuB3McM51jMuN3/vdYfmWRygiBkASduwSVMgSkJkAA==
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

2026-09-17T11:58:31.132478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019198
observed 9daa810f0228a1c36a6315fa78e90d54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:31.114144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019198/manifest.json
observed 2eaee1ae1cf7907bf34a95d654ddb906...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:31.097013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019198/publication.md
observed 0514e381a133d0b2b79d36e119aa0a30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:31.079516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019198/publication.txt
observed 9027d1c61e5a9c8cfc50b48a80cd1b86...
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.