OpenTechnical

OT-2026-000019191

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two stage ejector, pulsed blow-off before 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-2026-000019191) never changes.

Identity and time

Publication numberOT-2026-000019191 · never reused
Internal UUID01a0ae6e-f391-7ea5-abbd-6f32c43668e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019191
StatusPUBLIC

Content hashes

Canonical text7c5570c7ee77322638a99ae370c5aa31d1890e36e461b0524ca0f1d087e3704d
Markdownfd377143ea91e3fc71594eaae5cfb51e40a2eaaa4c1ca88ae9c86fc1ddcf08ad
PDF
Publication pageca7f4fd052f9a78c53dbd4b17a7bbdd7979959c008a870c7ad37d020915682eb
Manifest40bf8245ed794b3cea377f2d2a6ab09ca96a7fd208f00353b10882fa4a2e3a8b

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
SignaturejnVsBPgVxSoMoea08cFK/uLIjirmYeXHtcZK8ALIke53z1rh33tHzt1aXGFrGen6ZHJSuRtqcjXkp0JoPYjdAg==
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

2026-09-17T11:58:30.610054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019191
observed ca7f4fd052f9a78c53dbd4b17a7bbdd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:30.592856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019191/manifest.json
observed 40bf8245ed794b3cea377f2d2a6ab09c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:30.573258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019191/publication.md
observed fd377143ea91e3fc71594eaae5cfb51e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:30.556967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019191/publication.txt
observed 7c5570c7ee77322638a99ae370c5aa31...
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.