OpenTechnical

OT-2026-000093604

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump 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-2026-000093604) never changes.

Identity and time

Publication numberOT-2026-000093604 · never reused
Internal UUID01a0ae9e-508b-79bb-8bce-247e07fd7050 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:46.038602Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093604
StatusPUBLIC

Content hashes

Canonical text1363de5d2621823ea25404b3d576a66ea8c825711d516685918c5dbc46fd19c7
Markdownc0d77e4d8284e13f1bac6e3998abdad40fc692a3c065b4ec3d174a21b41dfd7a
PDF
Publication pageca20c1ab1c66aaa832a298fa369aaa2e6b1165f33356c86363b8c98294d412db
Manifest40513ba50b8edc3f6f676019519c373f56d489cc27357366440eea196f4a0495

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
SignatureK4j7YFnxb65Cdl51E/9ISdqMYa+2NOZfPwT+lmsTTvq6X8fCtTXX6+ku9d7OoZZlK2nqv2SA+8G7LqeIrzUOCQ==
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

2026-09-17T09:39:38.917712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093604
observed ca20c1ab1c66aaa832a298fa369aaa2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:38.901153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093604/manifest.json
observed 40513ba50b8edc3f6f676019519c373f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:38.884948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093604/publication.md
observed c0d77e4d8284e13f1bac6e3998abdad4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:38.868602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093604/publication.txt
observed 1363de5d2621823ea25404b3d576a66e...
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.