OpenTechnical

OT-2026-000102258

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, two 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-2026-000102258) never changes.

Identity and time

Publication numberOT-2026-000102258 · never reused
Internal UUID01a0aea4-50f3-7d8f-a39a-de414774b0a6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102258
StatusPUBLIC

Content hashes

Canonical text61d220784a2612602f3f832cb813429fd7693152635f439d3e4c2360dca7bc7e
Markdown744bf7f1ddcf456b3dafb3449a00dc9862228d1813b72391dc5ec4db4be607f2
PDF
Publication page5b5b8eedf69f66ed3c598addb24b4e9aca3706a03e6bcded9a81afe46fa48cb0
Manifesteade7b79b7b8a241e315c94c6859fb0971bedd4c12054421df637203a2588cc4

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
SignatureLfoycIqKR6i//p9tveTibiIEJlpCe7rNRthVaC0Ds0EIytoNr1OPdnrGFm+l+S0SfdKy4WpNLLBjxwAllfNiBw==
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

2026-09-17T09:25:26.543971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102258
observed 5b5b8eedf69f66ed3c598addb24b4e9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:26.525555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102258/manifest.json
observed eade7b79b7b8a241e315c94c6859fb09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:26.506364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102258/publication.md
observed 744bf7f1ddcf456b3dafb3449a00dc98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:26.487184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102258/publication.txt
observed 61d220784a2612602f3f832cb813429f...
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.