OpenTechnical

OT-2026-000039758

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off after 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-2026-000039758) never changes.

Identity and time

Publication numberOT-2026-000039758 · never reused
Internal UUID01a0ae78-d8d5-72d1-a9ff-c166b9aabee6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039758
StatusPUBLIC

Content hashes

Canonical text74569890ab757ca3c1db4d9e0f47072dca7c2a6f3b974a13ce7a5c9acbd893dd
Markdownf60b225766753065e1856853eabc576dc7859e4c8db1312f6d169482699f2d13
PDF
Publication page1b61a5eb47753c2e73b1f6b7fc1a91bb2274692fe9e9f44b1dbb803a09b1309b
Manifestc24fbffe8db7a986522df83a4952a2cb9e5e8f77248eec6486095bf1f2eab159

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
Signature5EHXNzCwpRnXoSwSDpxL9JZ3qZrf7RLDvw9B/LqOayInfHQHmxcnDGJAPUVa0KT6PQfik+s9bzf3ucuz9SJQCg==
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

2026-09-17T11:19:58.607898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039758
observed 1b61a5eb47753c2e73b1f6b7fc1a91bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:58.590772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039758/manifest.json
observed c24fbffe8db7a986522df83a4952a2cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:58.574297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039758/publication.md
observed f60b225766753065e1856853eabc576d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:58.556575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039758/publication.txt
observed 74569890ab757ca3c1db4d9e0f47072d...
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.