OpenTechnical

OT-2026-000042771

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000042771) never changes.

Identity and time

Publication numberOT-2026-000042771 · never reused
Internal UUID01a0ae7a-c0d0-77a4-821e-c5432ea4909c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042771
StatusPUBLIC

Content hashes

Canonical texte1eb40f8775581250715104bd571f43e2e3014fedadfc294cb7a83f7b55b3df5
Markdown55628d3478be6a8cd39a273543341b3c891066d3ba2722311ccd451f5ff05232
PDF
Publication pagec11e0726aad4684098c44ae3d3a361ed6291472a57f75aff76a48f34d6367a58
Manifest9bbfad1a69b84fe98f183639ccf37cf464b834a9d6326686e652753dda61fda4

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
Signaturek0hs5bW3QZuNKX04DoAV5pAxP1OYUdzTN7oV/uMrr0dDiReR3p3dTHPpXDQeLXchLSeHZ+v1bdwUeid+/I+5Dw==
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

2026-09-17T11:15:13.806165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042771
observed c11e0726aad4684098c44ae3d3a361ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:13.784480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042771/manifest.json
observed 9bbfad1a69b84fe98f183639ccf37cf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:13.764432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042771/publication.md
observed 55628d3478be6a8cd39a273543341b3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:13.746723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042771/publication.txt
observed e1eb40f8775581250715104bd571f43e...
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.