OpenTechnical

OT-2026-000017791

Publication integrity record

Foam pad vacuum gripper, four zone face, four 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-2026-000017791) never changes.

Identity and time

Publication numberOT-2026-000017791 · never reused
Internal UUID01a0ae6e-96fb-7e9c-8d80-25170107b2fb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017791
StatusPUBLIC

Content hashes

Canonical textc842ff5e21473bc3c6a72557a52365c9d50ccdecf7877d1f4c77b558f7bfca87
Markdowndbf65c28700befb5d7368320c99257e8d7f4b2714ad252f79faa4e89a71f7e9e
PDF
Publication page1d0938c337a1016ae74e839efc233a84ef165349c93094c300c0851c4ee8b621
Manifesta92095ab623fd1d8a60798c964f51e9a74469c88a7a1158b6d06bc1226ad1a76

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
SignatureUC/oZO4lQwsyW/2gD2VqvGJzK80BTwnZQz0Z6BVlHYYcMeWe9dZIWz0WogI6e7J6rM8Kp2KqjAqF9qrFhWNaDA==
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

2026-09-17T12:01:45.366265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017791
observed 1d0938c337a1016ae74e839efc233a84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:45.349539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017791/manifest.json
observed a92095ab623fd1d8a60798c964f51e9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:45.329977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017791/publication.md
observed dbf65c28700befb5d7368320c99257e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:45.313099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017791/publication.txt
observed c842ff5e21473bc3c6a72557a52365c9...
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.