OpenTechnical

OT-2026-000045807

Publication integrity record

Four bellows cup vacuum gripper, four zone face, single stage ejector, pressure sensor per zone, pulsed 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-2026-000045807) never changes.

Identity and time

Publication numberOT-2026-000045807 · never reused
Internal UUID01a0ae7d-8f05-7aca-9fa7-8b14e89e6172 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045807
StatusPUBLIC

Content hashes

Canonical text99c84301e170af348063fe00e0973e3fbc34ac06fbb8b13e3eb83d432d877c7a
Markdown6261977e14640049bce6275689fc10b3625a1f7908ba279e1630befeb156e943
PDF
Publication page5f2b4906b41bb9ad2c29ee451987bd6f5f17f679a3ff33d2fe4e0ae726ac1a53
Manifestb0e40fe7bc1ed05c6c7ff0c86171bec1ff4483c9ba373f5f594c53096a9d726a

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
SignatureReFrI8NWt/pOtPIUKRMYh2ZH6FIzy/5F+vA0F9wZgfKxJ7Z1v8zIks0ny+G9hiPEwSGNUv0hL7T33YEkVe4lCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:09:40.585799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045807
observed 5f2b4906b41bb9ad2c29ee451987bd6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:40.564648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045807/manifest.json
observed b0e40fe7bc1ed05c6c7ff0c86171bec1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:40.545584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045807/publication.md
observed 6261977e14640049bce6275689fc10b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:40.526331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045807/publication.txt
observed 99c84301e170af348063fe00e0973e3f...
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.