OpenTechnical

OT-2026-000089162

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off before set-down

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-2026-000089162) never changes.

Identity and time

Publication numberOT-2026-000089162 · never reused
Internal UUID01a0ae9b-db00-7450-afef-99d4df08667f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089162
StatusPUBLIC

Content hashes

Canonical text91001cbf40e9281627a6c29085f869b3846074f7c9709766c0cc54c078def063
Markdown9649bc6dadc3473ae87aa9ad1596e1799c0983af7fb4bee335d4310f4866d395
PDF
Publication page8a9e128053cea005b695ed29c09e05128e9eff2e00e4bc5bbcd8f55dee890692
Manifest25bbb7ce53a47b514113063c913f4e425d556d55e0aa297f83550ba16b2152d7

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
SignaturepvMqu9XjUz6OsxXmusY63C1jzG9rrT9PIPxMowxJ2pRTI9HBvP0QCY7NU9RkFpMRLGw0m96fYYFAg5oc4/7cDg==
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

2026-09-17T09:47:10.040120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089162
observed 8a9e128053cea005b695ed29c09e0512...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:10.019606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089162/manifest.json
observed 25bbb7ce53a47b514113063c913f4e42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:10.000190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089162/publication.md
observed 9649bc6dadc3473ae87aa9ad1596e179...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:09.979582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089162/publication.txt
observed 91001cbf40e9281627a6c29085f869b3...
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.