OpenTechnical

OT-2026-000047563

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000047563) never changes.

Identity and time

Publication numberOT-2026-000047563 · never reused
Internal UUID01a0ae7f-3e59-7fef-bea8-36aa28fc2d88 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047563
StatusPUBLIC

Content hashes

Canonical texta3c8d78e5d42d92330bb3d6b9b691060d22d61c673ea25ac36fc55b7683bb161
Markdown080dac444c6780e531fe3276908a9af937f93c825e6a220437bc4b576ba114e7
PDF
Publication page4862898e43275c7b7233bbbd5b8d4d6448f327685393659d3ed1170276d69d24
Manifestcb17779e0d5bd7cfd21e8a7dbc1dc4a44e91be9be5eab5fef268d408d5275d30

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
Signature6d3reQvEvbZTfnkFSpsdAMEnyM/ohWwqYuSaFxtOyFAJwoHMPZzbufWZqruCktP6EwB/w3vVAtfN8PSACUA6CQ==
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

2026-09-17T11:06:41.211769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047563
observed 4862898e43275c7b7233bbbd5b8d4d64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:41.195661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047563/manifest.json
observed cb17779e0d5bd7cfd21e8a7dbc1dc4a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:41.178139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047563/publication.md
observed 080dac444c6780e531fe3276908a9af9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:41.160826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047563/publication.txt
observed a3c8d78e5d42d92330bb3d6b9b691060...
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.