OpenTechnical

OT-2026-000091388

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, 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-2026-000091388) never changes.

Identity and time

Publication numberOT-2026-000091388 · never reused
Internal UUID01a0ae9c-f16d-7296-8875-40f15a55eb86 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091388
StatusPUBLIC

Content hashes

Canonical text3026e059533b474aaafe49c9b571c08493d30a64a9384e5088fddc47f3ce631b
Markdownebf4c0326fc00dc055083aef2462ca28b41a913f5fb771d30dbd37a2b00e21e4
PDF
Publication page0348449134473354fc0214457454ebb85d2a1e7b62d9b0118ed7034b2ec25da1
Manifestef7631ff4f8244e69a1aa8eb7f66664ae462216877fcb1dd56dc6bfa168c95e1

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
Signature6cdV4nAtSpQcg28XEwhSN/vfXX09y4N5qPAxBR+bC5+8lLOlj1o57qjrSLCKsGFzpi1uWC8iiwP2YG8O7C1fAQ==
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

2026-09-17T09:43:36.705911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091388
observed 0348449134473354fc0214457454ebb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:36.689556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091388/manifest.json
observed ef7631ff4f8244e69a1aa8eb7f66664a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:36.673887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091388/publication.md
observed ebf4c0326fc00dc055083aef2462ca28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:36.656104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091388/publication.txt
observed 3026e059533b474aaafe49c9b571c084...
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.