OpenTechnical

OT-2026-000013162

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, 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-2026-000013162) never changes.

Identity and time

Publication numberOT-2026-000013162 · never reused
Internal UUID01a0ae6d-6fc8-7f31-a920-6900cec83493 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013162
StatusPUBLIC

Content hashes

Canonical text47d55239b0fe233e97b277faae0af8521dede822caf0ed4c4059db10dc96b419
Markdownd2b2ececdb998f36fc6299fa3234d6dcbc8c53c345cfcc11bd19d0cb1c5a636c
PDF
Publication page2c3d3416c6fde787abea843e41f356a46c1068456fd2d64f887330a28ee2f946
Manifestf30c15355eee888b1cfaf4d60b902a99c8dbbeefdb7ea1ff58d590dd915236c5

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
SignatureH2bnTRfoMBlBhHL7szuvaBL4mu17NCL9qxkwv/MbWssStJq/yQxtwNuPz33gY79FT1//yqOcyA1Zyh5v7kCfCQ==
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

2026-09-17T12:09:32.062990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013162
observed 2c3d3416c6fde787abea843e41f356a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:32.043058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013162/manifest.json
observed f30c15355eee888b1cfaf4d60b902a99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:31.990954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013162/publication.md
observed d2b2ececdb998f36fc6299fa3234d6dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:31.940191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013162/publication.txt
observed 47d55239b0fe233e97b277faae0af852...
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.