OpenTechnical

OT-2026-000033825

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000033825) never changes.

Identity and time

Publication numberOT-2026-000033825 · never reused
Internal UUID01a0ae75-a391-7a1b-9afe-a41b6eae1eda · 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-2026-000033825
StatusPUBLIC

Content hashes

Canonical textb09a8c492f7d73d4acc4f8c263c48bbf32600c3ee7eafb81e678811b520f4295
Markdown6974444519fa474494d3b0ba6180cb28da3b6929a7c2342cf73d0fc80c42ecda
PDF
Publication page363fd8d2b54948d80d1e52c7d28ddf2ab1069b5d8bdf4e69abc3ff815f19969d
Manifesta221b3ef9f6dd18f44cc2e038cc9d18b02f9fd665cd343251c2cd1d79f02e891

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
SignatureQv9PbXSGFZL3RcJ+pUFJEsXJ1KzUijdI+woIKAy50d3z37yhDIQMQCiCv7IAHsIBk1P8DWf0Y/R/HNu+9LpLBg==
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

2026-09-17T11:31:52.518478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033825
observed 363fd8d2b54948d80d1e52c7d28ddf2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:52.501419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033825/manifest.json
observed a221b3ef9f6dd18f44cc2e038cc9d18b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:52.483481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033825/publication.md
observed 6974444519fa474494d3b0ba6180cb28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:52.465779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033825/publication.txt
observed b09a8c492f7d73d4acc4f8c263c48bbf...
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.