OpenTechnical

OT-2026-000007435

Publication integrity record

Vacuum cup gripper, per zone isolation, plant vacuum fed, contact triggered, vented 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-2026-000007435) never changes.

Identity and time

Publication numberOT-2026-000007435 · never reused
Internal UUID01a0a97e-b0fc-70ca-83ad-d70c3bd49696 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:14:07.488434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007435
StatusPUBLIC

Content hashes

Canonical text5ccb02d8b2e1c535eff0e889e9d7788512545ad5fcac58280dc5215bfcf6a432
Markdownc54251b87cdcaeecd19428f598c57bb5b09e19bdf9baa9f4d4bd0e8ed7faf593
PDF
Publication pagededcd9e8acf655ac80e757d87b478c6da6f59f96882229fb4ef25a76fed5e256
Manifest86bf756924e93d190129b4ea41828f3de2a649f7bd5e5c7a26add83313b3f80b

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
SignaturecoxPYRkTCO39ez1ir4vsnjxA6wI5Mv5yfU6YSByrp/Dmf6Dpb/Wo2vkp8h996oMF2dOr1rbm/Tvy+mvPbCP5Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:20:05.531026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007435
observed dedcd9e8acf655ac80e757d87b478c6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:05.517532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007435/manifest.json
observed 86bf756924e93d190129b4ea41828f3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:05.505156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007435/publication.md
observed c54251b87cdcaeecd19428f598c57bb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:05.488766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007435/publication.txt
observed 5ccb02d8b2e1c535eff0e889e9d77885...
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.