OpenTechnical

OT-2026-000104164

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, three stage ejector, pulsed 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-2026-000104164) never changes.

Identity and time

Publication numberOT-2026-000104164 · never reused
Internal UUID01a0aea5-341f-79cd-83f4-4442e4d876bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104164
StatusPUBLIC

Content hashes

Canonical text380392d3b5d4414d72d5a271c8cee1be02a2df701398255d81524ec36ef2ce67
Markdowne8029777d1e80e45afc3cb217bb344601941f5365195790a9055bed5356e89d4
PDF
Publication page026c80fa205eb55b4ed0e8e1ef0bd0cb23911b13efe3c940b26ab8a5b0fd4546
Manifest28daf452f696a0288bd506a53bd823b619ab672a28380c9a02c0afb2598612ed

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
SignatureMtx/k6I2co1zlSpFvaEnY5RRMY2mHpVHeK57THYTKQ5OkAmxmthxnvFUUUJALwKyPPpFqyOLkO792AES+hbpAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:20:15.261368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104164
observed 026c80fa205eb55b4ed0e8e1ef0bd0cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:15.245165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104164/manifest.json
observed 28daf452f696a0288bd506a53bd823b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:15.228027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104164/publication.md
observed e8029777d1e80e45afc3cb217bb34460...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:15.210996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104164/publication.txt
observed 380392d3b5d4414d72d5a271c8cee1be...
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.