OpenTechnical

OT-2026-000047223

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, three stage ejector, pressure sensor per zone, pulsed 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-2026-000047223) never changes.

Identity and time

Publication numberOT-2026-000047223 · never reused
Internal UUID01a0ae7e-d0fa-704d-b21b-3ce21263d998 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047223
StatusPUBLIC

Content hashes

Canonical texta40d52ae8b823b92ce56953b7758dbe084a98ca7cfa5d764827f9be19784087c
Markdownc9b58c81887dad5d73050a1ad4d4ce728db5ab9a69325aca48620fad8bda8cbf
PDF
Publication page8481831d0036f07b163e60251f40ea1f18ffb461598877f698bcb6baf960e3bc
Manifest30fcdc8b60d77fc0addc1ad508ae1c83818cdd72d4fdd082dec91ab2bb7aff65

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
SignaturegbMfbwVKKCaph5a61KSDY3X8Z3ChfzOjlR9iiBGgpwzO/O41pRRkIFSl2gxu4azD1hmCOkbIZjjb4nhQn4OgBg==
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

2026-09-17T11:08:03.710779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047223
observed 8481831d0036f07b163e60251f40ea1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:03.692018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047223/manifest.json
observed 30fcdc8b60d77fc0addc1ad508ae1c83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:03.672657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047223/publication.md
observed c9b58c81887dad5d73050a1ad4d4ce72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:03.654290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047223/publication.txt
observed a40d52ae8b823b92ce56953b7758dbe0...
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.