OpenTechnical

OT-2026-000014931

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, single stage ejector, 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-2026-000014931) never changes.

Identity and time

Publication numberOT-2026-000014931 · never reused
Internal UUID01a0ae6d-d095-7c7d-b848-cb670e0c6483 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014931
StatusPUBLIC

Content hashes

Canonical text171c97678ec43750568f9775981130bf6bf693ea938ae70673e7de82abf8ce55
Markdownab5e1c86cd9786514eac3a4ac88eca961a727ee253285a88b2d15b5d1cf8d476
PDF
Publication page26e8ab41cb5d06688d1b0a85c49fe2e22305724876f7000529d2327aa03009d7
Manifest9636b499212bc4b464d0cd760a098635d59e8d80af33c4a245f9f8b5c8311e9a

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
SignatureQGi/eXt35NdI9Vn5PK4JdCOyvNkdATQu3AtSKBYnc76cNszCkbHbLGlBI0KUMMuTaBJ9TAetoSR7Nh0Rsj7SBg==
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

2026-09-17T12:06:52.406933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014931
observed 26e8ab41cb5d06688d1b0a85c49fe2e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:52.388231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014931/manifest.json
observed 9636b499212bc4b464d0cd760a098635...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:52.367430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014931/publication.md
observed ab5e1c86cd9786514eac3a4ac88eca96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:52.347770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014931/publication.txt
observed 171c97678ec43750568f9775981130bf...
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.