OpenTechnical

OT-2026-000047976

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000047976) never changes.

Identity and time

Publication numberOT-2026-000047976 · never reused
Internal UUID01a0ae7f-c422-7e95-aae9-8018e298b1d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047976
StatusPUBLIC

Content hashes

Canonical texte0990fa2a04a47119570ada531dfc7ad5da513f58c16c92958fce70c4d6948c5
Markdown2e4ccd14b028b5fb11927ba548b797eabb06a25b535f5a153d0c40b0fb904db4
PDF
Publication pagea938c8e8fd3607ee2d2ce714280f4cd1b33cfd53a71da2c11928f5666186b750
Manifest3c1fd8a54b6f818be86444f57eedfa10a04e1a0cb40f0d828e8d92894667a073

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
Signature/KBnThq3IoH0q7hHNUpHDuiFsvXhqd6pS00w0StPPq115AbVIkDZWqhWv9ih2YqrPyLAVE9kLy1hJUVCBhYtBA==
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

2026-09-17T11:05:57.337460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047976
observed a938c8e8fd3607ee2d2ce714280f4cd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:57.320482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047976/manifest.json
observed 3c1fd8a54b6f818be86444f57eedfa10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:57.302519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047976/publication.md
observed 2e4ccd14b028b5fb11927ba548b797ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:57.283817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047976/publication.txt
observed e0990fa2a04a47119570ada531dfc7ad...
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.