OpenTechnical

OT-2026-000030913

Publication integrity record

Single cup vacuum gripper, common isolation valve, single 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-2026-000030913) never changes.

Identity and time

Publication numberOT-2026-000030913 · never reused
Internal UUID01a0ae74-3fb6-79ea-a8c0-e7fb6a3053bf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030913
StatusPUBLIC

Content hashes

Canonical text67da069a6c0db4e4eff228cba739a87214d670362afb7db687b7638e5a092f95
Markdownc0b2e1f7a1dd2083ed35e980d1a300493d765d4ec1c93b474d370bb3aba850c4
PDF
Publication page369a19db31d9c15b305a4179fd47c20e7a1eed5e1237b2b04fa4c2867125e615
Manifest456d61eea1bbd400d3bd0113a27f1e9b1f261aa32f3948407367fc3cc9a8441c

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
Signaturem/7d7H6FyJ84PzbSnzvJY6pxDKGn/LIt5LGkKQZ2R5t0kRsrAIa8Ipo7OvB4hr95WYkQSKfQ1ldRxGms/zYoDg==
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

2026-09-17T11:36:54.279306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030913
observed 369a19db31d9c15b305a4179fd47c20e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:54.260853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030913/manifest.json
observed 456d61eea1bbd400d3bd0113a27f1e9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:54.237996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030913/publication.md
observed c0b2e1f7a1dd2083ed35e980d1a30049...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:54.217560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030913/publication.txt
observed 67da069a6c0db4e4eff228cba739a872...
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.