OpenTechnical

OT-2026-000048095

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, two 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-2026-000048095) never changes.

Identity and time

Publication numberOT-2026-000048095 · never reused
Internal UUID01a0ae7f-c423-7954-80bc-ccd941a626c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048095
StatusPUBLIC

Content hashes

Canonical texte1d460547ef19a81b38f75e620824beffd14d2826f844178ba854bd8a3427ea2
Markdown6ec89740723cd0272f02631fe6d66768c0d494ef9ebc10ccfa1f3679e98480a7
PDF
Publication page779dd89a7a192068f9b1129abea5831691bf3d38796707620d093ea4a98b05b9
Manifest60726531bfcb6a73d393c0f8262b7646433bf93b4fbebf04a64fdc1aed9a868a

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
SignaturexsFFZ7BE8H33uoGKChtyt5Nf5NHcwygIpLj+kt51Id9TMRrz90vu7YVw3OWMFrF80LvYUlWvD5BHg1Z0HG7lBA==
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

2026-09-17T11:06:07.141420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048095
observed 779dd89a7a192068f9b1129abea58316...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:07.123540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048095/manifest.json
observed 60726531bfcb6a73d393c0f8262b7646...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:07.106307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048095/publication.md
observed 6ec89740723cd0272f02631fe6d66768...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:07.087877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048095/publication.txt
observed e1d460547ef19a81b38f75e620824bef...
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.