OpenTechnical

OT-2026-000070939

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, plant vacuum fed, supply line pressure sensor, 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-2026-000070939) never changes.

Identity and time

Publication numberOT-2026-000070939 · never reused
Internal UUID01a0ae91-8c2d-7f86-82d8-a3ab9622d84e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070939
StatusPUBLIC

Content hashes

Canonical text8f37cb0d27d00f942bd0f8e781a90ac1b6c423ae966eaca2e2ec17bf6b5c30b9
Markdownc0d4a366138e5647b37e6b306c71539fee482996ee8a2886b6a46f5887a4b2f0
PDF
Publication page8affbbf95d2a3c846283a79caeeceb1fd0a8c15cf55df20e57c546dd5779bd23
Manifesta91ea034de5f5aafdac13d0c058f65fdfc360b5a216c0e857ea3e4068b192df6

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
SignatureY1xokGXcH+azw6WS4Cd7zdtMxNNUHw42Xc7IDC/c/+Z4Nb7uIWEQ/FHjnnGj4LDTnDXrRRP4sHSBsuvo2FxbDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:25:39.272494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070939
observed 8affbbf95d2a3c846283a79caeeceb1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:39.254203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070939/manifest.json
observed a91ea034de5f5aafdac13d0c058f65fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:39.220172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070939/publication.md
observed c0d4a366138e5647b37e6b306c71539f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:39.188129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070939/publication.txt
observed 8f37cb0d27d00f942bd0f8e781a90ac1...
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.