OpenTechnical

OT-2026-000091652

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, pressure sensor per zone, sustained 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-2026-000091652) never changes.

Identity and time

Publication numberOT-2026-000091652 · never reused
Internal UUID01a0ae9d-43b8-781c-88d7-4395f98bad60 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091652
StatusPUBLIC

Content hashes

Canonical textbf9c17e4472a401332f8171f67dba76d04129371dddbd1263620d9cc60be1933
Markdown5f5e64390b0eea291f9db50dd6f179236bd99ebc95ee4aa2861d8868ab0d610c
PDF
Publication page89ae957e5700bd1362db32cda827e57aea7413d6060d73a2f43084e557d54387
Manifest09c0819e31882b3f638195d84b31c067a4a5a5f56e8d9dc8d64a29646db6c7c3

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
SignaturenDvUfaMwOGD28ypkb5mIvz5KxfcLM+leOq0RBYQedcWeJF3F/RNkNjkVIK0n+2EiLwlFuwU6DZIfMvv7bET4Dg==
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

2026-09-17T09:42:01.536345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091652
observed 89ae957e5700bd1362db32cda827e57a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:01.518418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091652/manifest.json
observed 09c0819e31882b3f638195d84b31c067...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:01.501209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091652/publication.md
observed 5f5e64390b0eea291f9db50dd6f17923...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:01.484317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091652/publication.txt
observed bf9c17e4472a401332f8171f67dba76d...
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.