OpenTechnical

OT-2026-000018260

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, 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-2026-000018260) never changes.

Identity and time

Publication numberOT-2026-000018260 · never reused
Internal UUID01a0ae6e-b488-73f2-ba62-be613fa7b624 · 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-2026-000018260
StatusPUBLIC

Content hashes

Canonical texte9f478a7db9c8528e140fdb0c9b717ad5171d91dcdce77d653d706975fb0608b
Markdown5f2cf8c1e6ce1283da91ce6fbfaef66bef7c0fec734bdf9d32a7ee7a784ee7a6
PDF
Publication page0e0b7e76aa5d7f4e49f450fdb07d69af489cf46ed50779f2ec2f04bffe06b0c9
Manifestb716db28be331ebd025f3dcbd10c92d8d444273d3536f237e3db59151205d7c8

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
SignatureWUKAjo9cx0yC9Oq8giKT1IwzX64dTa17vvmuTZVpRAbxcr8zYKEcvqu84ZjacsjTIC5zPqVe6wD02fX7NyFBBQ==
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

2026-09-17T12:00:05.682984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018260
observed 0e0b7e76aa5d7f4e49f450fdb07d69af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:05.659319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018260/manifest.json
observed b716db28be331ebd025f3dcbd10c92d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:05.637655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018260/publication.md
observed 5f2cf8c1e6ce1283da91ce6fbfaef66b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:05.617488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018260/publication.txt
observed e9f478a7db9c8528e140fdb0c9b717ad...
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.