OpenTechnical

OT-2026-000018108

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000018108) never changes.

Identity and time

Publication numberOT-2026-000018108 · never reused
Internal UUID01a0ae6e-b487-776c-9309-c76c949e9f84 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018108
StatusPUBLIC

Content hashes

Canonical text94d2b5e99515476b859d13d626a179417560ad9fe191cd2b6199d1d20ab7a767
Markdownee31315626fe8d3f741f0a413f9f74b5c9e572f4cb04afd3973f7f3a9cb6678c
PDF
Publication page8e40e732ee58831a58911bb9c84134e14335c08e877df03a3b8e5371aeb2a8f5
Manifest80a6a61cf218b77f9fda4b552e4d7546a91f9bac0ea5fa8ac8f5ad75eb59cb77

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
SignatureK3Mi5kFFZH9eYJKaL1nRUCQdu2aZUsRNwXFofLjrr8w01VEi4JLIXhlTH2TTQB3uEXm+2vqiEQEi1JzsUN0tCQ==
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

2026-09-17T11:59:48.890884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018108
observed 8e40e732ee58831a58911bb9c84134e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:48.834701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018108/manifest.json
observed 80a6a61cf218b77f9fda4b552e4d7546...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:48.816680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018108/publication.md
observed ee31315626fe8d3f741f0a413f9f74b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:48.757594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018108/publication.txt
observed 94d2b5e99515476b859d13d626a17941...
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.