OpenTechnical

OT-2026-000042313

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, sustained blow-off after 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-2026-000042313) never changes.

Identity and time

Publication numberOT-2026-000042313 · never reused
Internal UUID01a0ae7a-5d74-7935-b0fa-7e0fb27a4d1b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042313
StatusPUBLIC

Content hashes

Canonical text7cecacc45a07a1d892c8cef83e64e93e87367b06dd323d370c7d191a20bd2fb9
Markdown0c557b0e2e9c1b1649cdde8743a98136822990a3436db2709523cc25617df497
PDF
Publication page2a204df11b6fdbbc944877b62f4b78dc368a2d1a605f3f4d8aeae53d5a9423dc
Manifest83391c8e833221238114c3859418f0ca756f302fc4a9691f0508fea84d09c047

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
SignatureOcn+duJTOXqsw2PPGNetsX4tpJfKg+xf9XFvpsqH/53uuCuzbpJ289HNceTFhCu5PN/TMz5XH7+5Yfe1WvnjDw==
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

2026-09-17T11:16:00.894794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042313
observed 2a204df11b6fdbbc944877b62f4b78dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:00.877588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042313/manifest.json
observed 83391c8e833221238114c3859418f0ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:00.860276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042313/publication.md
observed 0c557b0e2e9c1b1649cdde8743a98136...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:00.841337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042313/publication.txt
observed 7cecacc45a07a1d892c8cef83e64e93e...
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.