OpenTechnical

OT-2026-000005363

Publication integrity record

Vacuum cup gripper, three zone face, two outlet manifold, ejector fed, vented after set down

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-2026-000005363) never changes.

Identity and time

Publication numberOT-2026-000005363 · never reused
Internal UUID01a0a936-b004-7d83-b0aa-696e53fa0dff · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:55:28.646863Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005363
StatusPUBLIC

Content hashes

Canonical text7fb6a8e91951fc3711c09fe8749007be700ea526208db8264e20cf18b930f7ee
Markdowne8e8bbfa480270034add0e1c34e4cb41c1738fd02e0e3257f6420ce0d4c46af9
PDF
Publication pagee7fa8dc51662d4a982c81a0bb27a251b63ebc8e6882c14151b78d9e853ead27a
Manifest6092341c99542bbcdfa3d2f2b6eea764277d1b4e0d94bf3aead8b6a8a313b81e

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
SignatureBJVJpxzSDe4AAVvgYIcS1bze0RlRxA5UTQlBRJZvzKsOsVgaNwoSBeGq/R8G6YZAB/VZMNv5sFi7dEPbkuiiBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:18.180002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005363
observed e7fa8dc51662d4a982c81a0bb27a251b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:18.166715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005363/manifest.json
observed 6092341c99542bbcdfa3d2f2b6eea764...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:18.153724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005363/publication.md
observed e8e8bbfa480270034add0e1c34e4cb41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:18.139682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005363/publication.txt
observed 7fb6a8e91951fc3711c09fe8749007be...
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.