OpenTechnical

OT-2026-000043304

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, pulsed blow-off after 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-2026-000043304) never changes.

Identity and time

Publication numberOT-2026-000043304 · never reused
Internal UUID01a0ae7b-327d-7579-9e36-04ef5284461c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043304
StatusPUBLIC

Content hashes

Canonical text426f50c3c90408746a6ae90eba59ea913d845cc9427465d5b1975fa462574696
Markdownf4a9721805fe99ef542b68e38503bd2f1a49da9f0b52b57a08dcd0ff2a6ecbec
PDF
Publication page230920fb1542f7d929d0c7c77d407e4452b60a2efa85d548be8878b798cb0345
Manifesta235819f23a7f10db3ce42c99d687ddd7f378b90c2dcd37cc4e407c35969e880

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
SignaturePC17dqFhzL4wgNpDzvWmlPOL30O0ghE8PpyhOaxzSs0rdxnFnICERfnNVK4vLfa2RWcsfFleE67VImBPcKjyCg==
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

2026-09-17T11:13:48.146719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043304
observed 230920fb1542f7d929d0c7c77d407e44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:48.128754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043304/manifest.json
observed a235819f23a7f10db3ce42c99d687ddd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:48.110941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043304/publication.md
observed f4a9721805fe99ef542b68e38503bd2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:48.091728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043304/publication.txt
observed 426f50c3c90408746a6ae90eba59ea91...
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.