OpenTechnical

OT-2026-000062259

Publication integrity record

Four cup vacuum gripper, four 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-2026-000062259) never changes.

Identity and time

Publication numberOT-2026-000062259 · never reused
Internal UUID01a0ae8c-0abd-7770-9e17-dd6470dbdddd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062259
StatusPUBLIC

Content hashes

Canonical text22c9da938a43f05c7a3731e3978d381d32a4d78520940a117ba07ec18bf9e87f
Markdown150cdc3eab1723b3a45ce34f02a9e5fc23288f97e515f736e57357c59254237b
PDF
Publication pagea73b624015ec7fe0bcde3aa4601f3914529d04139678bdeb4b21560f3d57bae0
Manifestc695898e68a3557460ffb3b5a07962b22488876a594b0bd0a938a240a9074590

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
SignatureMxRIlp76ZsUMQl8NNBNnM0h6tqhrVYIbN2L9keA0gCE1LnM4awVkiUd4ig8NNwTmcKXr5fTmLFi98OFJVEgIBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:39:32.346569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062259
observed a73b624015ec7fe0bcde3aa4601f3914...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:32.329466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062259/manifest.json
observed c695898e68a3557460ffb3b5a07962b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:32.312224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062259/publication.md
observed 150cdc3eab1723b3a45ce34f02a9e5fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:32.295300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062259/publication.txt
observed 22c9da938a43f05c7a3731e3978d381d...
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.