OpenTechnical

OT-2026-000066279

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, single stage ejector, pressure sensor per zone, pulsed 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-2026-000066279) never changes.

Identity and time

Publication numberOT-2026-000066279 · never reused
Internal UUID01a0ae8e-8dc4-78ad-942f-11145dd96a36 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066279
StatusPUBLIC

Content hashes

Canonical textcf4a1d42244fc8507e8747d470a1c290aef0db26fbabfa570e3a58873872d1d5
Markdownba97f1bbb7d6ab67097ec432646722a1277c32ed4d1fd49d92fa7a43cd30eebf
PDF
Publication page3230184f578b13fcd9010b87749b9975ba868c9f1ee7a59b511493d305d0d354
Manifestcce1d63316ba240e5db544a1f6503dd80712e31095bf1a13f8aeb2bf2af51c3d

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
SignatureDTEdGcsDVj9dU1YCFpbK0pl75Rlu55XU7/MW94Eq0bAPXVeOuiEpAS8m3zlxgmt4157qmSiMTZW+L3WfoB3uAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:33:27.458144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066279
observed 3230184f578b13fcd9010b87749b9975...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:27.439481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066279/manifest.json
observed cce1d63316ba240e5db544a1f6503dd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:27.421593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066279/publication.md
observed ba97f1bbb7d6ab67097ec432646722a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:27.402629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066279/publication.txt
observed cf4a1d42244fc8507e8747d470a1c290...
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.