OpenTechnical

OT-2026-000029362

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000029362) never changes.

Identity and time

Publication numberOT-2026-000029362 · never reused
Internal UUID01a0ae73-5e20-7891-886e-5d8c77870e3f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029362
StatusPUBLIC

Content hashes

Canonical texta31920f374512700d09cc6bc7246796f7a95a24b9ae8c6d8108d2063c03d6aa4
Markdownbb2a4b6c130a02e5d85acfec233cd9666025f1e079a2342848a6d54ace172967
PDF
Publication paged923d0ad81204a2cb5cfc9b30598911cecd79949d3b3a9355020360ed41c4d09
Manifestdbc7fc2cf9a742e1c2893bc7aba055d2b4b4722c3e81780ca4790e3068096300

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
SignaturejrFji7gSUwVaR/wPxM43HKJ6QhKanGOnRO3ZbTqQnBFdaN5T5dOpt6ePgXSMpc/ddAkDhzGTCTQ0sxS4QrYwAQ==
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

2026-09-17T11:38:55.253114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029362
observed d923d0ad81204a2cb5cfc9b30598911c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:55.235424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029362/manifest.json
observed dbc7fc2cf9a742e1c2893bc7aba055d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:55.217220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029362/publication.md
observed bb2a4b6c130a02e5d85acfec233cd966...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:55.200120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029362/publication.txt
observed a31920f374512700d09cc6bc7246796f...
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.