OpenTechnical

OT-2026-000047011

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, 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-2026-000047011) never changes.

Identity and time

Publication numberOT-2026-000047011 · never reused
Internal UUID01a0ae7e-d0f7-7065-ae99-1f4cb7503c9b · 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-2026-000047011
StatusPUBLIC

Content hashes

Canonical text242f496e1bf6b79db62dc3a4ddb13278c49b413b10c204ac0e5957902c820a78
Markdown900fab04b0ccf99dc71287385953c9bc803d69b7b60ea0fa9e971977cd6b0e72
PDF
Publication page0502c12ddd578d15345e241c985692ec61dbbc6f26dc2bd41b756e0624bb930f
Manifest3cb04c79ab9c49ee8b9eb0c12875eab740ba94e6d48e87425b70aad18395b5ea

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
SignatureCSoRyLKWJ/ftbjDnvNHkyo+OJiCPv8u2WT6AIYgew9jFhyKQw9KoiUJU0l+tITpzkjp8JI7Cp1NMhPpFdflKBw==
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

2026-09-17T11:10:17.381171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047011
observed 0502c12ddd578d15345e241c985692ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:17.363274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047011/manifest.json
observed 3cb04c79ab9c49ee8b9eb0c12875eab7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:17.346807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047011/publication.md
observed 900fab04b0ccf99dc71287385953c9bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:17.327546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047011/publication.txt
observed 242f496e1bf6b79db62dc3a4ddb13278...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:45.992679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047011
observed 0502c12ddd578d15345e241c985692ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:45.974179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047011/manifest.json
observed 3cb04c79ab9c49ee8b9eb0c12875eab7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:45.954932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047011/publication.md
observed 900fab04b0ccf99dc71287385953c9bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:45.936573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047011/publication.txt
observed 242f496e1bf6b79db62dc3a4ddb13278...
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.