OpenTechnical

OT-2026-000031186

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three stage ejector, pulsed 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-2026-000031186) never changes.

Identity and time

Publication numberOT-2026-000031186 · never reused
Internal UUID01a0ae74-87ab-74f7-98e4-1df365a82f8c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031186
StatusPUBLIC

Content hashes

Canonical text21726257ab54022e9d85b8b33153c0303f463313d52e059e95399023a8946401
Markdownad1774ada1cb383a83d96d5b4e5b56c4c273bd8f4f33fc97f3fd128b813b7404
PDF
Publication paged2f16cdc142d75f86ce1582a49a391d443881eb972cd479e63b5334dfeaf6337
Manifestc6ec14630266e6ebab9b0a437c30575ee51f8a7c82705676e2fa615bfc123739

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
SignaturevS7CX4zllGZd8JkFEMOEdcTKGe9D5trp9uCe1g6THPQrb8NqGBOIZCDrty2lXoo4kBNeIbwnNv00ZEB+uWOuDw==
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

2026-09-17T11:35:44.550619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031186
observed d2f16cdc142d75f86ce1582a49a391d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:44.530434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031186/manifest.json
observed c6ec14630266e6ebab9b0a437c30575e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:44.510979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031186/publication.md
observed ad1774ada1cb383a83d96d5b4e5b56c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:44.491336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031186/publication.txt
observed 21726257ab54022e9d85b8b33153c030...
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.