OpenTechnical

OT-2026-000090175

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, three 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-2026-000090175) never changes.

Identity and time

Publication numberOT-2026-000090175 · never reused
Internal UUID01a0ae9c-428f-72af-84d8-41bc131084a6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090175
StatusPUBLIC

Content hashes

Canonical text6056be1a7cba62e69877799a9f77b0c98379936dd585408d5bb245e81366d6ca
Markdownff14f04e926ee338fbc476ef54ace3af3cfc120cbdec9f16d4610a2f009d3202
PDF
Publication pagee2c406b7a8d327d5ef2559042798028950774e49a8be81c2e721305eca794920
Manifestc8ca7ddf78d3ef277aa875ec1c63fe6d5d272760113d5f86a371bb7ab895f593

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
Signatureg6CLmEBUExlJI+f0LIjQ4HwqBJx34arL4hC9xxvGEt1R7MlHIYurErs4gZ9DLVF570fzVdkJKQAbF0eMdQqABQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:46:14.352135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090175
observed e2c406b7a8d327d5ef25590427980289...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:14.336003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090175/manifest.json
observed c8ca7ddf78d3ef277aa875ec1c63fe6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:14.319912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090175/publication.md
observed ff14f04e926ee338fbc476ef54ace3af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:14.302361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090175/publication.txt
observed 6056be1a7cba62e69877799a9f77b0c9...
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.