OpenTechnical

OT-2026-000027044

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, sustained 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-2026-000027044) never changes.

Identity and time

Publication numberOT-2026-000027044 · never reused
Internal UUID01a0ae72-3453-7777-b9d4-305b57327cd0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027044
StatusPUBLIC

Content hashes

Canonical text3efe497d45be92b9c28efa1a245dfd454e0f540f9effa7993011e1c62c88e9f3
Markdown44c2578f139d748827bb64ef237cd34e37f6d60ce6d03eafc14d383b9d9344fc
PDF
Publication page1ae61a719a38da9dd44d022bf3528dd85f3ce894582c330353f83a68beca0123
Manifeste5d3f1b712f2798e2edcf3df87a54afe4c78e60cf64d071d3f46d24ce527582f

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
SignaturePb/cxexkREQtMISw203quCK/aBFw0maiJA77wmbgooCLAZkuT1ayqqkWMuH5rU7/FwxcKLGG8XKPGZg1GvNYDQ==
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

2026-09-17T11:43:48.010152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027044
observed 1ae61a719a38da9dd44d022bf3528dd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:47.993042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027044/manifest.json
observed e5d3f1b712f2798e2edcf3df87a54afe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:47.975544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027044/publication.md
observed 44c2578f139d748827bb64ef237cd34e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:47.957259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027044/publication.txt
observed 3efe497d45be92b9c28efa1a245dfd45...
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.