OpenTechnical

OT-2026-000088413

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off before 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-2026-000088413) never changes.

Identity and time

Publication numberOT-2026-000088413 · never reused
Internal UUID01a0ae9b-5d27-75e6-a964-450ab291eba3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088413
StatusPUBLIC

Content hashes

Canonical text49989e930c0fd50e438efadebe8eec72c6c664095d0aab51967a73d8e508cb31
Markdowndce53655ffcf6d97e0afc065c98794a43c5b8226ea23fe15025274adaf1c84b8
PDF
Publication page742e1b3984f9534327f3aa2afdb4d4fe0865b02070185880f78e9b9812a00d04
Manifestb4af027ed91a07148747afa9a381e74bbf22d03a51aed66a8f99dbc582236b55

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
SignatureOFZpj/Qz9+HygNWXWecv0sjECh+DEge7o8O8ahSEvX3XZVOsi80y4vgDXBIU/h9f6g0gn4EGJG2q2xj6szsgCg==
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

2026-09-17T09:48:46.732146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088413
observed 742e1b3984f9534327f3aa2afdb4d4fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:46.714093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088413/manifest.json
observed b4af027ed91a07148747afa9a381e74b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:46.692848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088413/publication.md
observed dce53655ffcf6d97e0afc065c98794a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:46.658478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088413/publication.txt
observed 49989e930c0fd50e438efadebe8eec72...
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.