OpenTechnical

OT-2026-000014943

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, single stage ejector, 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-2026-000014943) never changes.

Identity and time

Publication numberOT-2026-000014943 · never reused
Internal UUID01a0ae6d-d095-77d8-b997-b5faf25dd00e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014943
StatusPUBLIC

Content hashes

Canonical textc67dd7e319a332977ba7cef9186b8570d84494e785a9003c491b0063ec23d07c
Markdownca3750d40c45947174ae434a43a60450fed7f3d4658db16e3233b48a6574ed6e
PDF
Publication pageb25f28d91fe38e59015bfb1c07e2ddcf0016f5bb591bdb45b44ad4aeae354e31
Manifest92cb7d4066fb692872f19c8224c3a56214a4611f16848fa250ab65464596e338

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
Signaturel6RuaWJP8YSjFpznEjtohaQxcseiCKsD2wMfgVv/btgsGmKePrHbF+iph04uxCT4e0kcOq0WXRokL/xShY4ZDg==
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

2026-09-17T12:06:53.414328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014943
observed b25f28d91fe38e59015bfb1c07e2ddcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:53.395133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014943/manifest.json
observed 92cb7d4066fb692872f19c8224c3a562...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:53.375822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014943/publication.md
observed ca3750d40c45947174ae434a43a60450...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:53.355039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014943/publication.txt
observed c67dd7e319a332977ba7cef9186b8570...
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.