OpenTechnical

OT-2026-000091942

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, pressure sensor per zone, sustained blow-off before set-down

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-2026-000091942) never changes.

Identity and time

Publication numberOT-2026-000091942 · never reused
Internal UUID01a0ae9d-43bb-75cb-890a-3d4d818f91e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091942
StatusPUBLIC

Content hashes

Canonical text7c6fbd93a359119e96e06f252e5b989bab07984428d59814283e1bf5dcc52fd8
Markdown8235a36844e4005374bb0ff74a256b309557f244fc6c190d3326d00d19ad0868
PDF
Publication page5d244a3b6a39409d8fca45ac4ebdfcf443a63414fd24a39839cf9d2ae7286321
Manifestcb3079873838475ed08c1931f67b218544f6810e8160ec91bba1f1bb5f10fb2c

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
Signatured3caMmuwMCKWyFLlOEdeJCbO7sE2ZCt5ZW+1TL6Qt7FAmHBsZUPsZNSKu7+UGwzjy/DvXsLTJULsvo5uz8n2Aw==
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

2026-09-17T09:42:53.300327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091942
observed 5d244a3b6a39409d8fca45ac4ebdfcf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:53.282436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091942/manifest.json
observed cb3079873838475ed08c1931f67b2185...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:53.264408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091942/publication.md
observed 8235a36844e4005374bb0ff74a256b30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:53.246685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091942/publication.txt
observed 7c6fbd93a359119e96e06f252e5b989b...
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.