OpenTechnical

OT-2026-000030485

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained blow-off before 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-2026-000030485) never changes.

Identity and time

Publication numberOT-2026-000030485 · never reused
Internal UUID01a0ae73-e504-7dc7-bad5-a38936fdef73 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030485
StatusPUBLIC

Content hashes

Canonical text4709b0d57a4603b05eead6511f902181ef5b03604172e63b90d9af0ef89e3fd4
Markdown7ea35216d19e3a0793c0f10865cbbe8cef71220610a2e8c76b034bc0afbd2f4a
PDF
Publication page3b007334952d60d745a3a2f32e390055424d155fcab389281e3d537398cdd8a8
Manifest6697735d050709e9b23024afc33141322b2d7dd0c0e07c7f52eaf92fb21642ca

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
SignaturejlD4Z4dNrwPxcDEQeLYpUUjqGnujgN/tP3xISZRUhdkwVr8oOb7JQHF7KhwFeI7Q/8UU6nqeD6iC+kfAFr9tAA==
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

2026-09-17T11:38:20.225293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030485
observed 3b007334952d60d745a3a2f32e390055...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:20.207108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030485/manifest.json
observed 6697735d050709e9b23024afc3314132...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:20.182892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030485/publication.md
observed 7ea35216d19e3a0793c0f10865cbbe8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:20.164681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030485/publication.txt
observed 4709b0d57a4603b05eead6511f902181...
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.