OpenTechnical

OT-2026-000099980

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, two stage ejector, pressure sensor per zone, sustained 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-2026-000099980) never changes.

Identity and time

Publication numberOT-2026-000099980 · never reused
Internal UUID01a0aea3-1474-762a-bee2-6f83e33d9ba6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099980
StatusPUBLIC

Content hashes

Canonical text24bee2b739adae4b6018d476cb3cb76e0eda04faa02883372f490b738a828fde
Markdown41149afad37d4a6da4c65eb61040526d2944be4dcdb85fd3b46b0a906ca5204a
PDF
Publication page7f1c34aa60bb65643b05a7be71e7eaab48b71af637bf32e731b1fad3877b133f
Manifestc7d70920b123dff9fe7d0f1b0790d1d7bcec54e2af2673612a9a786e16cfaf55

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
SignatureMJAE4qquSQVexYIkHUNbnllYn2bTtoJHFPftJqcXmpR4PupZPqnlJCgnfoYG41P+QALarOBz6b6MD4Z8sq8mCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:40.991463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099980
observed 7f1c34aa60bb65643b05a7be71e7eaab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:40.974407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099980/manifest.json
observed c7d70920b123dff9fe7d0f1b0790d1d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:40.955926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099980/publication.md
observed 41149afad37d4a6da4c65eb61040526d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:40.936589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099980/publication.txt
observed 24bee2b739adae4b6018d476cb3cb76e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:54.337394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099980
observed 7f1c34aa60bb65643b05a7be71e7eaab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:54.316707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099980/manifest.json
observed c7d70920b123dff9fe7d0f1b0790d1d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:54.297814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099980/publication.md
observed 41149afad37d4a6da4c65eb61040526d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:54.280495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099980/publication.txt
observed 24bee2b739adae4b6018d476cb3cb76e...
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.