OpenTechnical

OT-2026-000099890

Publication integrity record

Foam pad vacuum gripper, four zone face, three 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-2026-000099890) never changes.

Identity and time

Publication numberOT-2026-000099890 · never reused
Internal UUID01a0aea3-1473-70ba-afd4-8871edc51687 · 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-2026-000099890
StatusPUBLIC

Content hashes

Canonical text962fe00dcff7e0e0d47e89073ee690b545454edd98445f04dfa1dc5a94d3adfa
Markdown734d3063030b03f422039285029da590c65188e3ae1978e95fa31ae3f694efb4
PDF
Publication pagec348652a701ddb6c6103df1e47e9a373a5edb2ef62843cb6a3b3ac652ee856d1
Manifest5c9243d8a4e484f9817ce5dad34368424861939607873b9e7281a3c1b07c6b61

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
SignatureHhNyC6AAmX2msK1wbBPwe5GdqKSkP2u7VvOjdPTo/U1JT0cRrjMtidjQDyoB1wQxXseXzgchsRmcFnkOy3bgCg==
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

2026-09-17T09:30:31.343264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099890
observed c348652a701ddb6c6103df1e47e9a373...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:31.326169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099890/manifest.json
observed 5c9243d8a4e484f9817ce5dad3436842...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:31.308541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099890/publication.md
observed 734d3063030b03f422039285029da590...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:31.289914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099890/publication.txt
observed 962fe00dcff7e0e0d47e89073ee690b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:47.041478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099890
observed c348652a701ddb6c6103df1e47e9a373...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:47.023611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099890/manifest.json
observed 5c9243d8a4e484f9817ce5dad3436842...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:47.004842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099890/publication.md
observed 734d3063030b03f422039285029da590...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:46.988848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099890/publication.txt
observed 962fe00dcff7e0e0d47e89073ee690b5...
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.