OpenTechnical

OT-2026-000099289

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000099289) never changes.

Identity and time

Publication numberOT-2026-000099289 · never reused
Internal UUID01a0aea2-8289-7342-a692-c2fe92b4d8ac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099289
StatusPUBLIC

Content hashes

Canonical textf6368dd3fcc0185307c9738a397a13d3eef67b5059be639e8902087790ccc69e
Markdown224212ffa3108a1d02ecd0767aaa54b5c4b9949b192528fa2aaac61c0d00fa39
PDF
Publication page540f685049d4aff215f0b6828d76b8f2904da6d439ab127f7fbb8ee2f2f5b9d5
Manifest38da700c560cf297dd1f3701f3a84ebebdeb90cf5dc078cb885d11c4485b018b

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
SignatureSeysYA9h0T419u6ETs3JP3LuFNvzUeKD0caeFxuek1ZvkK08x8NfKAS0FiZ/01deI2jvA9kA6KteXwlo2jhKAA==
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

2026-09-17T09:30:44.973795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099289
observed 540f685049d4aff215f0b6828d76b8f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:44.955471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099289/manifest.json
observed 38da700c560cf297dd1f3701f3a84ebe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:44.938299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099289/publication.md
observed 224212ffa3108a1d02ecd0767aaa54b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:44.922466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099289/publication.txt
observed f6368dd3fcc0185307c9738a397a13d3...
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.