OpenTechnical

OT-2026-000011401

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump 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-2026-000011401) never changes.

Identity and time

Publication numberOT-2026-000011401 · never reused
Internal UUID01a0ae6c-88fe-7817-af63-181180817261 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011401
StatusPUBLIC

Content hashes

Canonical textf421d9a54a8aa75036f69e9f157756796a61f39739ece899021c35f1b5178991
Markdown20a4b553595f9409123fb530d39fb7db13bc6403b9df590149606ad0f967a9ec
PDF
Publication paged6efabe16326f768eb161b1a77f0cb61e80e086b375de107f1bb8d37fa7c49c6
Manifestcff0e68c88ba3a160eaa29b36b66b4db54487403b38f11dd2eb3d0ffc7b612e7

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
SignatureTyveMeQlPGRTkJhDtvnczpZks9Hs6E0y+8VTiEXLZiQOrVpq3fb/f2IUxnZ5pgz5r/OMVajhZ8SQT9TbDQ8pAw==
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

2026-09-17T12:13:00.399167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011401
observed d6efabe16326f768eb161b1a77f0cb61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:00.366954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011401/manifest.json
observed cff0e68c88ba3a160eaa29b36b66b4db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:00.348618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011401/publication.md
observed 20a4b553595f9409123fb530d39fb7db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:00.314764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011401/publication.txt
observed f421d9a54a8aa75036f69e9f15775679...
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.