OpenTechnical

OT-2026-000063643

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, pump fed, manifold pressure sensor, 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-2026-000063643) never changes.

Identity and time

Publication numberOT-2026-000063643 · never reused
Internal UUID01a0ae8c-f946-7f3f-a1a2-8a7425d825bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063643
StatusPUBLIC

Content hashes

Canonical text84c1461d21b4e82fe5d94979a513f243a26cbfbc41a4e85951f86ab1adeb6646
Markdownc492dc778d6adc1bc437aa4ca4834bafd5c989d3f9a94c7626c0040dba92cec8
PDF
Publication pagef2ed850d6eba1909f6e7fd5e4b77ee96cac1ec1897880b04078af043ee090ecf
Manifest13d253d5d9504df17a2803e33fd94fe456f24a5dd98fe6a3d5bc80a238e89ec6

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
SignaturehQuZobeMc6OXHl9q3PpaMjv9rt/D1KwDQWNiZwwtExtL2YJIrwBqG3tgLAQ+t2LjfVYdrCoXO6sc6YmNTJ6uBQ==
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

2026-09-17T10:37:44.803541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063643
observed f2ed850d6eba1909f6e7fd5e4b77ee96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:44.785740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063643/manifest.json
observed 13d253d5d9504df17a2803e33fd94fe4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:44.766899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063643/publication.md
observed c492dc778d6adc1bc437aa4ca4834baf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:44.747609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063643/publication.txt
observed 84c1461d21b4e82fe5d94979a513f243...
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.