OpenTechnical

OT-2026-000019345

Publication integrity record

Single cup vacuum gripper, two stage ejector, supply line pressure sensor, 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-2026-000019345) never changes.

Identity and time

Publication numberOT-2026-000019345 · never reused
Internal UUID01a0ae6e-f392-79d8-9f18-71469feeeac5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019345
StatusPUBLIC

Content hashes

Canonical text11d84f08659e167d68ad34103588cbe4808afbae51e9b19dacd21085629b06bc
Markdown2b615a645ed820dbc7073d650d3987b8c244e3bf1784037b156e0976016b84a9
PDF
Publication pageed0fafb0ae5c8a5f1a8ce5549231ab2f2655723282057edba8a0d53593ee72bb
Manifeste725d69d01dfaae2698023c7ba0bd7f0c7fa92d1858fab02027c219518f39985

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
SignaturePla/nZLsQgo42hGknq9JVLp1rJ9ZMagPc404hUMhGfUxMyKsa0dmeNDkb9aygDB5+K0Lb5eucSJAaxEmMQ+6BA==
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

2026-09-17T11:58:43.058335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019345
observed ed0fafb0ae5c8a5f1a8ce5549231ab2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:43.039411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019345/manifest.json
observed e725d69d01dfaae2698023c7ba0bd7f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:43.020038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019345/publication.md
observed 2b615a645ed820dbc7073d650d3987b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:43.000027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019345/publication.txt
observed 11d84f08659e167d68ad34103588cbe4...
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.