OpenTechnical

OT-2026-000048567

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, plant vacuum 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-2026-000048567) never changes.

Identity and time

Publication numberOT-2026-000048567 · never reused
Internal UUID01a0ae80-4de7-731f-a8e3-381bc4d501a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048567
StatusPUBLIC

Content hashes

Canonical textb06042c18d543e90c83e796ef2548752b3e68b36d811934e7b56d6e78ff21509
Markdowncaede0f88b8ae587c3cc7a9bff81c606d85b1229d5628d008ee4ec05a8cd52ad
PDF
Publication page89b1b60c84a1ac71b86afeb871f835b1fe0fa1466f8848288e924aa08267494f
Manifest031a62b589a490cf27e2b3a624e40de6bcec6f0932a85deb0068277f8cc8cca2

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
SignatureMgGVvYvrCTPbsUIQeqvJH+kF2+fuY04LOofvzXHBPZWoenhXWRWLHyfmqMzHc2C8IhtE+lHfsy8yqUyDQ6a0CQ==
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

2026-09-17T11:05:22.121786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048567
observed 89b1b60c84a1ac71b86afeb871f835b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:22.101729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048567/manifest.json
observed 031a62b589a490cf27e2b3a624e40de6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:22.082525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048567/publication.md
observed caede0f88b8ae587c3cc7a9bff81c606...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:22.063560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048567/publication.txt
observed b06042c18d543e90c83e796ef2548752...
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.