OpenTechnical

OT-2026-000030701

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, 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-2026-000030701) never changes.

Identity and time

Publication numberOT-2026-000030701 · never reused
Internal UUID01a0ae74-3fb3-7506-90f2-36f595b14e1f · 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-2026-000030701
StatusPUBLIC

Content hashes

Canonical text1bcf405a83dcd5d93017821d26c211ed2fbc0c4d55d409abcf60745d44e8871d
Markdown92c1865e1cf4157c12b300cbfb281bd9d988e541d3cd8f5da49fa029d681ccb9
PDF
Publication pagec47574997a3aa3a250b5c667151305677dccc40e60889a7ae34e59ec3b9b1a47
Manifest172daa581f10ff115d42453b5a75bf567709653486e80acac586bc20d82a0f0e

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
SignaturegIoVC0YBuKHUqG/lj/QsouAexIhBaZjJmdBVRL4Ao0N34m9yhZgxtIWV/w2W8SSFE0hF7PYlZ38yOcWnSIUSCg==
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

2026-09-17T11:36:37.211960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030701
observed c47574997a3aa3a250b5c66715130567...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:37.192847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030701/manifest.json
observed 172daa581f10ff115d42453b5a75bf56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:37.172257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030701/publication.md
observed 92c1865e1cf4157c12b300cbfb281bd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:37.152414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030701/publication.txt
observed 1bcf405a83dcd5d93017821d26c211ed...
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.