OpenTechnical

OT-2026-000028017

Publication integrity record

Six cup vacuum gripper, six 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-2026-000028017) never changes.

Identity and time

Publication numberOT-2026-000028017 · never reused
Internal UUID01a0ae72-a51f-76dd-87a3-f206d3ce6757 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028017
StatusPUBLIC

Content hashes

Canonical textc0fc12d3022ca3477093ee814e468165fa51a7e287e5292277acc2bf5bc8f88f
Markdowndf0540fe365b56d457630b130fa1ffec9d7c07c547d8c297cc478ff6a9b07a6e
PDF
Publication page8344de30a9bb267e99d3edfd34d2b3c47b139c172c11db7b233d988e12aec352
Manifesta2289dc48fe2af4a2a04c18615bec85bc1f48204f84a975d3a6a21175c0b65cf

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
SignaturexNB84W4SXCb3KO2KDpzQLbQpucdnjZYC5LOmoBfA3QEF+zZA03wutehOOiDU7qjLN8tHNfqSE7l1kr7DJ8YxDg==
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

2026-09-17T11:42:20.369273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028017
observed 8344de30a9bb267e99d3edfd34d2b3c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:20.347588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028017/manifest.json
observed a2289dc48fe2af4a2a04c18615bec85b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:20.327241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028017/publication.md
observed df0540fe365b56d457630b130fa1ffec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:20.309717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028017/publication.txt
observed c0fc12d3022ca3477093ee814e468165...
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.