OpenTechnical

OT-2026-000029761

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, 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-2026-000029761) never changes.

Identity and time

Publication numberOT-2026-000029761 · never reused
Internal UUID01a0ae73-5e24-7b55-9e19-a74367e863ec · 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-2026-000029761
StatusPUBLIC

Content hashes

Canonical textefde9d09f0c26f05c54a11eeccde1f95189d52445ddc61944f7cf68071f1230a
Markdowna440ba418370ca509d05a54148166916964b0bc110d43b043f9b2d708e1195a2
PDF
Publication page160c240a39778e86239497a2c90d6f1169606be677f28ce79d4f3a602b80fe80
Manifest0de27a70f742d60811c7962fb2b43f90e9e0da53c3c41c1ecd38d8b6a9d16ec2

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
SignatureiwtGiqG3YnkFmZp4kunh5HES+xJC76L+rm0csRFn8ZgZqKSi+iHhtOHm14y8VKRwIh5XAfMhGDM/gfPIfGkfCw==
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

2026-09-17T11:39:31.517588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029761
observed 160c240a39778e86239497a2c90d6f11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:31.501206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029761/manifest.json
observed 0de27a70f742d60811c7962fb2b43f90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:31.481041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029761/publication.md
observed a440ba418370ca509d05a54148166916...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:31.462256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029761/publication.txt
observed efde9d09f0c26f05c54a11eeccde1f95...
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.