OpenTechnical

OT-2026-000045729

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000045729) never changes.

Identity and time

Publication numberOT-2026-000045729 · never reused
Internal UUID01a0ae7d-8f04-737f-a3a0-eb10876678ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045729
StatusPUBLIC

Content hashes

Canonical text3f8cf200551e8062b9996b9750ae82d3150aca50315556631c1c6046426d4992
Markdown6a96c6c32c1cbc2326a38e8ab108d2b14823fa2bb3253caced776bfde7e307b8
PDF
Publication page611496d8a0ce8449147b54f130f3f7c6cd72a3ada547d1b0a3638f586e7bba55
Manifest27d894a70817136673cce983d23363cfa8df1bfbb82ecc036c640b6c964d9fd9

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
SignatureV9Ti/xHD12qHYx6Km6De3AyAo1NVzLvJ05bxrrqAJW3V24YPgAtmyLymEre3K8qFZNWEpaGE9IDGtJZrmPfeCw==
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

2026-09-17T11:09:32.693820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045729
observed 611496d8a0ce8449147b54f130f3f7c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:32.675543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045729/manifest.json
observed 27d894a70817136673cce983d23363cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:32.655422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045729/publication.md
observed 6a96c6c32c1cbc2326a38e8ab108d2b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:32.636929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045729/publication.txt
observed 3f8cf200551e8062b9996b9750ae82d3...
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.