OpenTechnical

OT-2026-000017192

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three 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-2026-000017192) never changes.

Identity and time

Publication numberOT-2026-000017192 · never reused
Internal UUID01a0ae6e-76c7-776d-b613-ab2b85a12c10 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017192
StatusPUBLIC

Content hashes

Canonical texte74dc8710bb51ece52738e185870405ef31edabab00d4ef2770e525fca79205c
Markdownee20e5feedb6f4f3c4cb87cae456b5f43c02030c4bbb7ef1f1511e5a24cfe362
PDF
Publication page6efa43a877d28eae2edd89f9793cc2367b7385530c27b2cc8ddb1ea35d73a1d4
Manifest131d6b7f424ca76e08229d88a9df53321ad5b28bc377aff80594372568e84774

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
SignatureohtmSeyvdCL7fbwAeDARKOrIMWORCD6MIlsB7Riqzo6mNEtl3CdQaB0Yrl84HowVwOEXzttZQH1LLYyim3pSAA==
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

2026-09-17T12:02:15.831793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017192
observed 6efa43a877d28eae2edd89f9793cc236...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:15.814445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017192/manifest.json
observed 131d6b7f424ca76e08229d88a9df5332...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:15.797166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017192/publication.md
observed ee20e5feedb6f4f3c4cb87cae456b5f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:15.778297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017192/publication.txt
observed e74dc8710bb51ece52738e185870405e...
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.