OpenTechnical

OT-2026-000043399

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, manifold 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-2026-000043399) never changes.

Identity and time

Publication numberOT-2026-000043399 · never reused
Internal UUID01a0ae7b-327e-748d-92c8-9c2d8490da8b · 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-2026-000043399
StatusPUBLIC

Content hashes

Canonical texta44271e9e0d2a5f05b43add29fa3bf2d71d7da42eedcb9d69c53bf0d5cbc88de
Markdownfe91ebeaeddb95db52127dc7ce48d234c24b99bb41c2168a8ba76845475182f0
PDF
Publication page7ff95c9808e46174180e45cff63778c01f6343e2e9616346937782d469e9cde2
Manifestf85d39b0d022915d947f7dd9134679911d9cd019ca0c1c7f1fb202e589686af3

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
SignatureaNcIfwuG9uiHW8lCOIc+akpOvLyfEKEn4OMW8CmcgvUL0Goz/vQ2W445Q3Qf2ldGLCBwsFFqhUjf+UFO1/esAg==
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

2026-09-17T11:13:56.083162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043399
observed 7ff95c9808e46174180e45cff63778c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:56.065217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043399/manifest.json
observed f85d39b0d022915d947f7dd913467991...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:56.046986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043399/publication.md
observed fe91ebeaeddb95db52127dc7ce48d234...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:56.028102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043399/publication.txt
observed a44271e9e0d2a5f05b43add29fa3bf2d...
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.