OpenTechnical

OT-2026-000099638

Publication integrity record

Two bellows cup vacuum gripper, two zone face, single 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-2026-000099638) never changes.

Identity and time

Publication numberOT-2026-000099638 · never reused
Internal UUID01a0aea2-c976-7b4c-9233-7699badfcd6b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099638
StatusPUBLIC

Content hashes

Canonical text7c4903cfa4c973f81c72a6a2a5c4679b0f876d11d92b5d59ed55ff4c991ac208
Markdown0964ca05d56f15425bf1d7b6d837821d03d6a6e0f13d6db5f2679a37280888af
PDF
Publication page98a59d240764748a6a16ebe87acfa75d04220e61a0442011a23e5752868f2774
Manifest8e62b387376c833c6173307e39dc5da13fce2f47178b535e357b854bd2444a5b

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
SignaturevgDatOtevBhn5FtrMF+alxST6QfuqGOXdcfU4IfxL+FBVnMz8mugQoBSV4DhZeDhD4RdRQFqFO+uY56s9AuuCQ==
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

2026-09-17T09:29:34.547949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099638
observed 98a59d240764748a6a16ebe87acfa75d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:34.529045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099638/manifest.json
observed 8e62b387376c833c6173307e39dc5da1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:34.511343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099638/publication.md
observed 0964ca05d56f15425bf1d7b6d837821d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:34.489737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099638/publication.txt
observed 7c4903cfa4c973f81c72a6a2a5c4679b...
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.