OpenTechnical

OT-2026-000043738

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, two stage ejector, sustained blow-off 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-2026-000043738) never changes.

Identity and time

Publication numberOT-2026-000043738 · never reused
Internal UUID01a0ae7b-d676-7135-bda4-ed1463be8e58 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043738
StatusPUBLIC

Content hashes

Canonical text3e46cb3e63e7831863b3ca9d018093069ce8e6602c8c4b2e59c4c4c573b212bb
Markdown4f76de2eaf6ae6f4649cebf53857e9111ba3ec0db641009fd55ef34994142670
PDF
Publication page6707a43abcee82d3b67155d41eae7845bc4630489ec4f1a5c8be64f39139d019
Manifestab053c304917e6020cf00dbebd0b4c1c921f64c55995411011d9b99d1a648c7c

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
SignatureySumm7uaFqGIA0dDjely2sceobW5ImRZ47uwffdNyMRjCGa/L8h2dXfdAldh/Pynw1ZZ5gTgVfJ+OqkgJPGbAw==
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

2026-09-17T11:12:00.924465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043738
observed 6707a43abcee82d3b67155d41eae7845...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:00.906003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043738/manifest.json
observed ab053c304917e6020cf00dbebd0b4c1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:00.887942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043738/publication.md
observed 4f76de2eaf6ae6f4649cebf53857e911...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:00.869706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043738/publication.txt
observed 3e46cb3e63e7831863b3ca9d01809306...
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.