OpenTechnical

OT-2026-000029225

Publication integrity record

Four cup vacuum gripper, four outlet manifold, 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-2026-000029225) never changes.

Identity and time

Publication numberOT-2026-000029225 · never reused
Internal UUID01a0ae73-2aa0-7056-84aa-1d45887b12e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029225
StatusPUBLIC

Content hashes

Canonical text8faf8a9ced34a7e0fd4d2714265401c99995c3eeb08e7f4676ab724306f070b2
Markdownab45b882bdb2b2fa7493197b2487a04f9bbf8dfbefebd4d383f4a31163ae3c71
PDF
Publication pageab89c4bef775e35309fc411928c345814bcd84113a2e26ef999fb45f34ae55d2
Manifest257193cc335419658fcb51337696e8463e1a4becae22e8976539ddf53e26b78b

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
SignatureDNgdaHJJV6+x0I6S59KazzNc/h/2vfxgQUujWI5nFzMnNoLuNUn/cu0TNuhCLAh+bu4WrTDsizLTq2oD9oGBDw==
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

2026-09-17T11:39:50.837791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029225
observed ab89c4bef775e35309fc411928c34581...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:50.820557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029225/manifest.json
observed 257193cc335419658fcb51337696e846...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:50.802335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029225/publication.md
observed ab45b882bdb2b2fa7493197b2487a04f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:50.786281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029225/publication.txt
observed 8faf8a9ced34a7e0fd4d2714265401c9...
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.