OpenTechnical

OT-2026-000095876

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, 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-2026-000095876) never changes.

Identity and time

Publication numberOT-2026-000095876 · never reused
Internal UUID01a0ae9f-fac7-7689-b05f-d121315820ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095876
StatusPUBLIC

Content hashes

Canonical textdca5cc4ca499d455a6f349fd31f0825cc558888abe9cef08254b57eb85955409
Markdown2a635c6db500e9ce16765e42818fee758dd46ef11eb124de129850692c62c549
PDF
Publication pagead87074212f8b52bc324b12d8042e0f994cad14be63cc5927dbc3bcb8cfb2f1c
Manifest9f3645a04f4973f680d21c3bd5f553f7230b21d8fd6e79c5f53b2d347d7f1a9a

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
SignatureL7lqGW7EC2NroHUjG/no3Y2G+JahVvF2pwU8w9GGg+07Pte8bKCu4yOUVB2ICxK6SqnLN4UDL0RCs9k8+ZVqBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:35:03.634489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095876
observed ad87074212f8b52bc324b12d8042e0f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:03.618046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095876/manifest.json
observed 9f3645a04f4973f680d21c3bd5f553f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:03.598328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095876/publication.md
observed 2a635c6db500e9ce16765e42818fee75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:03.580875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095876/publication.txt
observed dca5cc4ca499d455a6f349fd31f0825c...
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.