OpenTechnical

OT-2026-000069266

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000069266) never changes.

Identity and time

Publication numberOT-2026-000069266 · never reused
Internal UUID01a0ae90-b528-7739-a512-9e5f783cf4e3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069266
StatusPUBLIC

Content hashes

Canonical textfbf1e5aa2f4476c6508b220acaa408ecc9dbbacc41d547a65b5d92b35802884d
Markdown0bfb68091dc773b39bb4ac1fd0c84959917c88036e5608d417c540ac1e8961e9
PDF
Publication page3c815a07c44f3b9c4c66893de040dae720a04d4753d760a2e061ccd079d7ef6e
Manifesta61ca52e062bdb5833c243c6d2e8daee7ded4079eb13a7e5f0dcb5c9eb16c7fa

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
SignatureCX+sjW6IzhubpGa4053zMvlaewzDCs3ET/uXDccs6Win8fjAs9ijcs9oiCpZT9+SN+WkzJVGfgGH5oqR4u7IAg==
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

2026-09-17T10:27:20.889095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069266
observed 3c815a07c44f3b9c4c66893de040dae7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:20.872008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069266/manifest.json
observed a61ca52e062bdb5833c243c6d2e8daee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:20.855827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069266/publication.md
observed 0bfb68091dc773b39bb4ac1fd0c84959...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:20.838409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069266/publication.txt
observed fbf1e5aa2f4476c6508b220acaa408ec...
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.