OpenTechnical

OT-2026-000025513

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained 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-2026-000025513) never changes.

Identity and time

Publication numberOT-2026-000025513 · never reused
Internal UUID01a0ae71-5fa8-71e8-bf30-8924603b5517 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025513
StatusPUBLIC

Content hashes

Canonical text2678331d85fb2e0472b26d62c1bc6c165fa7ad6034bc5e836df768c522b5d4ad
Markdownc7a5acec5dcb14fb084cc60dd503c96739935f334bfd253499d4d96e18643e2a
PDF
Publication page4932123a8b7e473dc6f2013dcba5a7f9a51717a563a61be0ccc517dead3357d5
Manifestb2bcece80b57d38b75855b67718b05fdf9a3958b45f841c647468c885c1e78f2

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
SignaturexHLaiPj/jqcPsuhh06hHsS2iVc/iBKp3Ku+h+g8RKnr9Z0IDgfwXAhCljcnl0i5o3Ois+Zxy/qnkiUehXjoqDA==
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

2026-09-17T11:47:38.763316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025513
observed 4932123a8b7e473dc6f2013dcba5a7f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:38.744124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025513/manifest.json
observed b2bcece80b57d38b75855b67718b05fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:38.723965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025513/publication.md
observed c7a5acec5dcb14fb084cc60dd503c967...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:38.699941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025513/publication.txt
observed 2678331d85fb2e0472b26d62c1bc6c16...
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.