OpenTechnical

OT-2026-000033598

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, three stage ejector, pulsed blow-off 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-2026-000033598) never changes.

Identity and time

Publication numberOT-2026-000033598 · never reused
Internal UUID01a0ae75-a38f-7628-b1be-bc250316456f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033598
StatusPUBLIC

Content hashes

Canonical textf1bd723933814b4a713596dad5db81bd8a9d411c55927ab52aaba4cadd933eea
Markdown19eead4e8e3e7cd844feb9f86a1c41c3c171e6a107ed068b398af68d7be8ceb2
PDF
Publication page262ee9a492270437f892d90dd5c4eb181ceb9d6ac8b37d7b0ed16bc982f84fc4
Manifest64a6ed59583e01bfa2a0d3d07f8a9fedd48fbc934769aab785cbaec8dda75251

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
SignatureS7Ggw8i+lL6B/3T/lZgY3yDkWYZj0Wocebh0c96o6jisZe7WvsSSW2r8U2Css1eEUFz4UB0po/wVJ30WjGARCA==
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

2026-09-17T11:31:33.825350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033598
observed 262ee9a492270437f892d90dd5c4eb18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:33.800743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033598/manifest.json
observed 64a6ed59583e01bfa2a0d3d07f8a9fed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:33.780421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033598/publication.md
observed 19eead4e8e3e7cd844feb9f86a1c41c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:33.720780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033598/publication.txt
observed f1bd723933814b4a713596dad5db81bd...
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.