OpenTechnical

OT-2026-000020122

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, supply line 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-2026-000020122) never changes.

Identity and time

Publication numberOT-2026-000020122 · never reused
Internal UUID01a0ae6f-4378-7b34-9914-d9711ff90f04 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020122
StatusPUBLIC

Content hashes

Canonical text6d2af1605587749963f13e6b1cc1006799db8bb3eb0aa7be7b03666b944f952c
Markdown583a6eeb34acf44603a8658fc12db3202c2803aaece574ef79f4ac1445870b5d
PDF
Publication page1294724e5bd4365f50ded586af826bab1909b2ff75a1399cb762fce639e934c3
Manifestd447bd13c9ffec43c8b5e7665bc22a7d39d98e75f54155e36aa1693b718c453d

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
SignaturebwKmeJdyX5Yj0TknJn/9jLplP7/zcx0n/z38DSu+Is3kmqOYBdwVB0dsIXglyKPTLX9ckBTsyf7+rCbQeLB3Cg==
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

2026-09-17T11:56:25.544167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020122
observed 1294724e5bd4365f50ded586af826bab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:25.523197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020122/manifest.json
observed d447bd13c9ffec43c8b5e7665bc22a7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:25.501549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020122/publication.md
observed 583a6eeb34acf44603a8658fc12db320...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:25.479572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020122/publication.txt
observed 6d2af1605587749963f13e6b1cc10067...
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.