OpenTechnical

OT-2026-000102259

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-2026-000102259) never changes.

Identity and time

Publication numberOT-2026-000102259 · never reused
Internal UUID01a0aea4-50f3-79d9-a4cb-db7a26e4528e · 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-2026-000102259
StatusPUBLIC

Content hashes

Canonical text6e90873982776d93d2c274eab174cbebee98617e9b3a79ea6e08e2694e82fb0c
Markdown47f0fd2576b5728ba58c6ba6c02b24ebec95666a99de398cd3737785cc5f2510
PDF
Publication page93edaadfb721bac4f101381c6d8f81198903c98dbc5e6171b9d6be1bb53ff4bc
Manifest17ded5fea8c32d4542234292d8bd27c63f087d17365b40d9d418d23ffd0ef2e6

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
SignatureWC6zIrzIBQtn3vXhNntun5WYUpuZwLgyPnC2wAXwW9OPzZc4Qx619KSKwNsBx7+t5HThcNzPxvYKZ+yK+D52BA==
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

2026-09-17T09:25:26.621301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102259
observed 93edaadfb721bac4f101381c6d8f8119...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:26.601819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102259/manifest.json
observed 17ded5fea8c32d4542234292d8bd27c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:26.583525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102259/publication.md
observed 47f0fd2576b5728ba58c6ba6c02b24eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:26.564828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102259/publication.txt
observed 6e90873982776d93d2c274eab174cbeb...
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.