OpenTechnical

OT-2026-000023012

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, pulsed 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-2026-000023012) never changes.

Identity and time

Publication numberOT-2026-000023012 · never reused
Internal UUID01a0ae70-46ec-7b6c-a869-fddf4b84f5c2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023012
StatusPUBLIC

Content hashes

Canonical text8f4a5bdbe89af711a5f16c7a49128618fb060e05c42d2b4180ef06f4cac0b136
Markdowna5176a17f6112727be247f4354f85892b3be6a2c3ad0dcd6745be1afc2c27039
PDF
Publication page179de4cf014bb7b60d7441d84a4f40f381af7e88f984560dc9a77ef1fd542894
Manifest85af181cc4e5c9a2d0fa744d61af85cf30f2f05364e6fbfbee934ce5a223dd4f

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
SignatureaNqaMmT8d2W1StVPRaE9dXpEhWSpStV8FndzPxIgyNaGbv9LHAEuyYxQgszoUribNqBO9T9Gm+clvGP4hO/6BQ==
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

2026-09-17T11:52:36.501540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023012
observed 179de4cf014bb7b60d7441d84a4f40f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:36.483162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023012/manifest.json
observed 85af181cc4e5c9a2d0fa744d61af85cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:36.463920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023012/publication.md
observed a5176a17f6112727be247f4354f85892...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:36.446028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023012/publication.txt
observed 8f4a5bdbe89af711a5f16c7a49128618...
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.