OpenTechnical

OT-2026-000025118

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, sustained 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-2026-000025118) never changes.

Identity and time

Publication numberOT-2026-000025118 · never reused
Internal UUID01a0ae71-5fa5-783c-8d61-b3b8e0d1bb1f · 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-2026-000025118
StatusPUBLIC

Content hashes

Canonical text13e3e52167541b3fc5c062ac9a271b0a961e01775bebed0ba649201c7b9d3e2c
Markdown2cc1891c744172017dbdb19a45c1975619d5911a00376f996efe8f49d6e01132
PDF
Publication page5d840e9f0a53e41c4c2ebe177110c4937cb27b837076f980a37e4c9026c8af8f
Manifestb80fef447e1697964cb28fca7d38ed8bf3f2980c79e1134203ab6fe648c480dc

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
SignaturezoJgG+47kIGqHsCzAdSM3Q3uD6pQBK8kJeJw2nes6QBwLYa4dxD8CboysaqhK+qK489YPjzUiUwAzU4zNeseDQ==
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

2026-09-17T11:46:59.649902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025118
observed 5d840e9f0a53e41c4c2ebe177110c493...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:59.632281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025118/manifest.json
observed b80fef447e1697964cb28fca7d38ed8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:59.613735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025118/publication.md
observed 2cc1891c744172017dbdb19a45c19756...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:59.593354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025118/publication.txt
observed 13e3e52167541b3fc5c062ac9a271b0a...
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.