OpenTechnical

OT-2026-000102857

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, 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-2026-000102857) never changes.

Identity and time

Publication numberOT-2026-000102857 · never reused
Internal UUID01a0aea4-be3c-72e2-8539-8a0bdc5276e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102857
StatusPUBLIC

Content hashes

Canonical texte8e21a1e5b2387f13e24b9d2d0d9e4aa54fa6baaa1987c4976e1bae55c76a977
Markdowne40e84d5663e672e06db27785d284fe9fec1a236ad27a752231ed1e5e688ca83
PDF
Publication page27e919ac68898b9ba6bae4d126e1a0a620111e6ffe4f113a7b2e61458bc2649e
Manifesta21cc23928a0001ae00762df0d82582c5fc034c756a3146f3ca4da374eb2456f

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
Signature3f+OcuEEZQ1Baic64takIMMu3R+w0gj2qoQF+YUYszUGYDJAPk+es+07GYWB6vORKvx2WKHwNCaYvrAvu3N8Dg==
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

2026-09-17T09:22:51.868720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102857
observed 27e919ac68898b9ba6bae4d126e1a0a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:51.852635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102857/manifest.json
observed a21cc23928a0001ae00762df0d82582c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:51.836216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102857/publication.md
observed e40e84d5663e672e06db27785d284fe9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:51.818050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102857/publication.txt
observed e8e21a1e5b2387f13e24b9d2d0d9e4aa...
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.