OpenTechnical

OT-2026-000047191

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, two stage ejector, pressure sensor per zone, pulsed 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-2026-000047191) never changes.

Identity and time

Publication numberOT-2026-000047191 · never reused
Internal UUID01a0ae7e-d0f9-71ef-b471-0ca09ff3f12f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047191
StatusPUBLIC

Content hashes

Canonical text01ec920546bd987fde83d126b1800c0450336a716d4be898160bdaac0e6e597a
Markdown47591e8f05421528722aae0560b06a7798c3a0be33c43855062164f65d826281
PDF
Publication page33bed9fbd8df20319a49ec37ecb0080f7472333ab1dc66807508de1beb7b4571
Manifest6e5a751980450fc524e8370b11c40499ce0f4cdab0f9ea004145993d88be0452

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
Signature7m56uqhy8wOzpknGDwot7csx15wxQDzck5NXX2h0CCybdweehaZFB/ENpmn6C2MrzVjBo2sYJSn0YauyYluNAA==
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

2026-09-17T11:10:34.058554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047191
observed 33bed9fbd8df20319a49ec37ecb0080f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:34.038958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047191/manifest.json
observed 6e5a751980450fc524e8370b11c40499...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:34.020907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047191/publication.md
observed 47591e8f05421528722aae0560b06a77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:34.002709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047191/publication.txt
observed 01ec920546bd987fde83d126b1800c04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:01.023455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047191
observed 33bed9fbd8df20319a49ec37ecb0080f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:01.001532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047191/manifest.json
observed 6e5a751980450fc524e8370b11c40499...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:00.982513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047191/publication.md
observed 47591e8f05421528722aae0560b06a77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:00.963430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047191/publication.txt
observed 01ec920546bd987fde83d126b1800c04...
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.