OpenTechnical

OT-2026-000049771

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000049771) never changes.

Identity and time

Publication numberOT-2026-000049771 · never reused
Internal UUID01a0ae81-8fef-7e6b-b6f9-81244f631d41 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049771
StatusPUBLIC

Content hashes

Canonical textf6dbdc78b1a871df91f4d2816ba7638772e3c87802012e24f36abbce0441f93e
Markdown173add0e7dfd497618daad34fc175ae276114a87a638574725e61afcd0304575
PDF
Publication pagef4554f8c82e52ae64d544a2fef80dd3d8b1897cc93e13f32ac781dcc9e0c2edf
Manifestb84b405a474046e667d1b0cfc6be9c39fc72b44b95f4b80169e470caf566b2e2

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
SignatureS+hNxDgfB9hJ2yp+cxtIv9zHc55KRbzgYYLebzOqF4VZ/b/PtYFeeczO3QoCk0/SpOaUUJkNv2CTWsGR8reRAw==
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

2026-09-17T11:02:53.073322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049771
observed f4554f8c82e52ae64d544a2fef80dd3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:53.051338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049771/manifest.json
observed b84b405a474046e667d1b0cfc6be9c39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:53.030848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049771/publication.md
observed 173add0e7dfd497618daad34fc175ae2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:53.009010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049771/publication.txt
observed f6dbdc78b1a871df91f4d2816ba76387...
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.