OpenTechnical

OT-2026-000032618

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single 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-2026-000032618) never changes.

Identity and time

Publication numberOT-2026-000032618 · never reused
Internal UUID01a0ae75-1070-7b74-a7db-d68cf43c739e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032618
StatusPUBLIC

Content hashes

Canonical text50ef4ca7173e2321db5ed046a77de812496043fdefd686b096c23196e2f29cea
Markdowndda568adb93ac9a3da1ce5b9bf52fd493ab8bb80da85bec198e5420fca14e3c3
PDF
Publication page7c496a53a75eb3c2c895a31d222bb8646d14cba044dd31f0fa703b728cff1478
Manifest342a408304e006c21bfe1045161ddf6b39100da1928c75f519d6d83c034e5a8c

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
SignatureV/ueoIzAwKp8VSoXdeR8AJskEu4m5WPoAot8G9ui4hDp0kwLlRHQK4ZHUKC07wWC655z1qB9iWW4X0/97Xw4Cw==
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

2026-09-17T11:34:12.237667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032618
observed 7c496a53a75eb3c2c895a31d222bb864...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:12.218659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032618/manifest.json
observed 342a408304e006c21bfe1045161ddf6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:12.202149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032618/publication.md
observed dda568adb93ac9a3da1ce5b9bf52fd49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:12.184528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032618/publication.txt
observed 50ef4ca7173e2321db5ed046a77de812...
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.