OpenTechnical

OT-2026-000103854

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, pulsed blow-off after 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-2026-000103854) never changes.

Identity and time

Publication numberOT-2026-000103854 · never reused
Internal UUID01a0aea5-15e6-704d-b96d-589eac4a42a5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103854
StatusPUBLIC

Content hashes

Canonical texte9371ad69e86309d54a999184aa835653d3368e04a093cd74e71af96f332907a
Markdownfc8cc15f0dab460f2e2beadb52be58c04421575845f318335a26d4a7d76960d5
PDF
Publication page1dcc9557c507abc3e3a3e55d837a225daa9193ea563b4efcf39cd8840f69adb6
Manifestb237b097bba0b748803d8800e6c2d0b83e43191506e98c6c1d18ce72b1801e8b

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
SignaturesHmsNvgb6k59j1iEzRIxq4K0Fw8X3YnmOGvrsoa7/4sSGCiH1qbMIH9cNAiZ0EyDV5AlsSqpQDVFabzf9KiCCA==
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

2026-09-17T09:21:50.102109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103854
observed 1dcc9557c507abc3e3a3e55d837a225d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:50.084013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103854/manifest.json
observed b237b097bba0b748803d8800e6c2d0b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:50.066171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103854/publication.md
observed fc8cc15f0dab460f2e2beadb52be58c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:50.049045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103854/publication.txt
observed e9371ad69e86309d54a999184aa83565...
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.