OpenTechnical

OT-2026-000042492

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, pulsed blow-off after set-down

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-2026-000042492) never changes.

Identity and time

Publication numberOT-2026-000042492 · never reused
Internal UUID01a0ae7a-c0cd-75c3-8c6a-a5412129ece9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042492
StatusPUBLIC

Content hashes

Canonical textcaf0897a53245499bfcc37127cd4ee8e12def6e81c1bf6ea433158e79a1f2f95
Markdown6ed7142b2e2c4599aa9306cbbd17c62649dcf582e2ce095172193964d0d609d5
PDF
Publication page335a36a44d8c85e6d63443ab375170fde0ebc5381af7de689573a5482daee722
Manifestc4fd361056dc301a90051adaa3487c2dc709bc20412579e3cf2e11a8b226e58f

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
SignatureWggF3vWfADgeu/Ig1KX01xI43XmbS+JWp2NiDf0qt9mUP2S1Qn7RSzc6XhZWU1rHVg2+RHrRSYcsN7jrxoiWCw==
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

2026-09-17T11:14:03.905611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042492
observed 335a36a44d8c85e6d63443ab375170fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:03.886594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042492/manifest.json
observed c4fd361056dc301a90051adaa3487c2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:03.868488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042492/publication.md
observed 6ed7142b2e2c4599aa9306cbbd17c626...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:03.850668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042492/publication.txt
observed caf0897a53245499bfcc37127cd4ee8e...
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.