OpenTechnical

OT-2026-000046115

Publication integrity record

Four bellows cup vacuum gripper, four zone face, pump 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-2026-000046115) never changes.

Identity and time

Publication numberOT-2026-000046115 · never reused
Internal UUID01a0ae7e-032b-736e-84a6-f94d586ae992 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:29.080672Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046115
StatusPUBLIC

Content hashes

Canonical text921b01d2a5beaae2ac7aa1365e62387a3b9d873dd6fa33baa48cee9999bb1805
Markdown415008b16f3d163f2687172bc45bead14770d03177d2e02686dfec1fa6acc223
PDF
Publication page8cf786d139a391c4d87d91706bf65b364153e2a8831af9c5c7a1a24acea8fcd8
Manifest5cb5062c66bc43961163ef664ccf062df9e289e2c9ac392ee90649d7433f73d3

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
SignatureMiw1TYxNR1F6ONaO/JrrBezpto+mPwt0J2WBNVv/koJ4nQMygqAO3Tc0kLz7rY8TEyjxbl7vHL7mH1hRE5xhCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:09:05.788440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046115
observed 8cf786d139a391c4d87d91706bf65b36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:05.769601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046115/manifest.json
observed 5cb5062c66bc43961163ef664ccf062d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:05.750611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046115/publication.md
observed 415008b16f3d163f2687172bc45bead1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:05.731803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046115/publication.txt
observed 921b01d2a5beaae2ac7aa1365e62387a...
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.