OpenTechnical

OT-2026-000055791

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, single stage ejector, supply line pressure sensor, pulsed 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-2026-000055791) never changes.

Identity and time

Publication numberOT-2026-000055791 · never reused
Internal UUID01a0ae87-0a49-7621-bc70-8522a394dec3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055791
StatusPUBLIC

Content hashes

Canonical textd6adf409e67bc9b7fa3a96e094aa7210cb0f2a03992be21cd8c161d16828a4ca
Markdown6ef03319622f21e19a8b074acf9111e11cfe38f48ab6510d1574a94796ec6b56
PDF
Publication pagedbe3528e4d2bd02e07eb4767d8925984a01952ba1c42df860889968f027af81b
Manifest0ee01cae228a9771bf18a1ee9d1b645a7eb6b7ae8a6c58ab6d8ad02f377e3bcc

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
SignatureJX+dq0PRhD8ZlFrDmG1vIVYmC9J4nPZ9puC6yO3DpGpWkDvBa/ugV87M8sXuY1/CgiXH3NFt+KM65VLb2HafCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:09.757498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055791
observed dbe3528e4d2bd02e07eb4767d8925984...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:09.740973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055791/manifest.json
observed 0ee01cae228a9771bf18a1ee9d1b645a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:09.725020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055791/publication.md
observed 6ef03319622f21e19a8b074acf9111e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:09.709162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055791/publication.txt
observed d6adf409e67bc9b7fa3a96e094aa7210...
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.