OpenTechnical

OT-2026-000078164

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, vented after 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-2026-000078164) never changes.

Identity and time

Publication numberOT-2026-000078164 · never reused
Internal UUID01a0ae95-7c26-7f82-81df-93bf06c82a17 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078164
StatusPUBLIC

Content hashes

Canonical text91aacfc951c51d30953e8b9ccf0837fefb28e202b03409b1e8620ab1a7cec2c2
Markdownfc3f73908e00e2722ef0c81b3b448af7928b54085484e7221ddfc91c9407db7b
PDF
Publication page1e4cdb5d5f14286cb73baaab8566ac79f6fb05663b846e23405265a6abe255f9
Manifestab14ef653f32c6c42f355ee250769c82319c69419aa2a0fa732f3fcd0e0624a9

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
SignaturekBBRFHESWr+v2Ww6Sae8GzdcH8gYiIrhDPYJJ78E9gPlTkuT/Sk9QBnS9iU8ux3PX2iUCL2wXERRbI+WEBVcBg==
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

2026-09-17T10:06:06.336846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078164
observed 1e4cdb5d5f14286cb73baaab8566ac79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:06.318811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078164/manifest.json
observed ab14ef653f32c6c42f355ee250769c82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:06.257366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078164/publication.md
observed fc3f73908e00e2722ef0c81b3b448af7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:06.238832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078164/publication.txt
observed 91aacfc951c51d30953e8b9ccf0837fe...
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.