OpenTechnical

OT-2026-000089040

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, plant vacuum 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-2026-000089040) never changes.

Identity and time

Publication numberOT-2026-000089040 · never reused
Internal UUID01a0ae9b-daff-7b64-b490-2b577d365125 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089040
StatusPUBLIC

Content hashes

Canonical textcebb5ec607537876fdf1039d2b24d1284e8355293cc8498a70bbb35508f6339e
Markdown8cff47ceda9d046c78e5d6f07b15ef8ad0f2817e4b64f4a2d750bc3d5ac5486e
PDF
Publication page803a7c9c0da35c4dc2b282029e6a4ffa727eb32f2a25194ba804f48a0fdd3f5e
Manifest65255f81fc9cbdb308b43f53f3c534f4295e083ce2005da3957f8d7359f71803

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
SignatureTRxIK6/DIYKmvs/dXer/eL9sSWYw9ptQXcHrtExn6I9t9IIXo4cVDRHogydhPFQhhAXYYBFe4JzBO1aY+3r7Aw==
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

2026-09-17T09:46:56.225360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089040
observed 803a7c9c0da35c4dc2b282029e6a4ffa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:56.207695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089040/manifest.json
observed 65255f81fc9cbdb308b43f53f3c534f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:56.189825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089040/publication.md
observed 8cff47ceda9d046c78e5d6f07b15ef8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:56.172775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089040/publication.txt
observed cebb5ec607537876fdf1039d2b24d128...
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.