OpenTechnical

OT-2026-000078019

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000078019) never changes.

Identity and time

Publication numberOT-2026-000078019 · never reused
Internal UUID01a0ae95-2f44-743c-bb0d-494d4846b33e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078019
StatusPUBLIC

Content hashes

Canonical texte384bdd086e83be11899624db432007c581b1143546a3747796ec87f98b2dda6
Markdown4c82f39583bfc97ef5a90e6d8b06c60738a6bf2746a6828d06c67174ba4146f1
PDF
Publication page5f6d354167fe0debf89cd7a1a211fd585cb5d3f052711283fe7957badbef5f1d
Manifest26f91caf9b880e8478a216623af2770e0e1beee53f52034c7555ed4e7046f540

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
SignatureKWLCcJznCGWIZw6XTnONrlR5Q5zSAAwvYKD/bVY85AGq+3hVpG5Pp3HHgmcqoDDb3VMpjZnF2fCTcW6Trt3YBw==
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

2026-09-17T10:10:31.954269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078019
observed 5f6d354167fe0debf89cd7a1a211fd58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:31.806746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078019/manifest.json
observed 26f91caf9b880e8478a216623af2770e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:31.788524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078019/publication.md
observed 4c82f39583bfc97ef5a90e6d8b06c607...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:31.767944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078019/publication.txt
observed e384bdd086e83be11899624db432007c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:18.515066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078019
observed 5f6d354167fe0debf89cd7a1a211fd58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:18.496325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078019/manifest.json
observed 26f91caf9b880e8478a216623af2770e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:18.478032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078019/publication.md
observed 4c82f39583bfc97ef5a90e6d8b06c607...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:18.456250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078019/publication.txt
observed e384bdd086e83be11899624db432007c...
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.