OpenTechnical

OT-2026-000022520

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000022520) never changes.

Identity and time

Publication numberOT-2026-000022520 · never reused
Internal UUID01a0ae6f-f4fe-7ede-9e73-0359b1502ab9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022520
StatusPUBLIC

Content hashes

Canonical text32523fd5d8b9652e3d4827e5b841a5752392c51c42f09c43e589d8c08fc82a8c
Markdown1f7ec51e6bd934cd46981ea0542ee03a46b8ef46a5bcda3d2181a51d3ebd3a65
PDF
Publication page82fd90bc43f074004aead41acb10afe34f59f351e00a89d6aaac80a9a2864484
Manifestbaec2a4dd2c93f686a5ac728aa9793b69e95206625167dbfd354fb5563936c51

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
SignaturePFjctKkpi5jBg2GnkN3hstTU69wBKPNGYOoM+1UjKSXrymF9Dw4OFTF4oZHGt+6M15yriCCrxJlk/cg7sD4pAQ==
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

2026-09-17T11:53:57.047768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022520
observed 82fd90bc43f074004aead41acb10afe3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:57.030035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022520/manifest.json
observed baec2a4dd2c93f686a5ac728aa9793b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:57.011821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022520/publication.md
observed 1f7ec51e6bd934cd46981ea0542ee03a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:56.994211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022520/publication.txt
observed 32523fd5d8b9652e3d4827e5b841a575...
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.