OpenTechnical

OT-2026-000032916

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000032916) never changes.

Identity and time

Publication numberOT-2026-000032916 · never reused
Internal UUID01a0ae75-4842-7348-bcb9-4ca1e6fbc316 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032916
StatusPUBLIC

Content hashes

Canonical textebd719afdb405ec22be0fa36a2533c18f66e483612941e600df013387898f605
Markdown9c2b7eb802742b76c155f2e77c2cf2f74f85a5f24282795d9f4cec6b9feacefd
PDF
Publication page7190525f1bfca3218336206e94ef796ab6b9689c2597016bc4ac334df46fd606
Manifest9baa470a06f9b1de53baabf45a05eddc969bd483d5fd2cc4e2be1d5d7cb4a928

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
SignaturelW0WT88epycAl7jWPCJJ3L5tplzaFI70kBIhCLXH5WOR59utaU+R59Sr6gAbQbn7FtRoypZxDu+izWnhl+NKBA==
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

2026-09-17T11:32:30.514871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032916
observed 7190525f1bfca3218336206e94ef796a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:30.495076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032916/manifest.json
observed 9baa470a06f9b1de53baabf45a05eddc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:30.475572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032916/publication.md
observed 9c2b7eb802742b76c155f2e77c2cf2f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:30.457173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032916/publication.txt
observed ebd719afdb405ec22be0fa36a2533c18...
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.