OpenTechnical

OT-2026-000012843

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, single stage ejector, pulsed blow-off before set-down

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-2026-000012843) never changes.

Identity and time

Publication numberOT-2026-000012843 · never reused
Internal UUID01a0ae6d-5563-721e-94e4-1e7846c9bd13 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012843
StatusPUBLIC

Content hashes

Canonical texta16a804524328bcdbba49292fa813f266bd78ef91438918b61aa294c7ddb2b3e
Markdownf1a676b2b570735ea24f53a8d82184219def08ceb9b5033d92351728a2cc3cd2
PDF
Publication page324cc5eacb9d0f8ac739904f3575006eb3b5008fec561f6a3ec98a914682d624
Manifestaef4bf53400e051c95f268c71a056320de1713a89bd1795038e99d8cafb49491

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
SignatureTEJJKYhilyzGUmF8L4/w7lwks/aIzkiyrNlee6itD84QJci+5BtaCncXINN58Z8XRc9+OoHy3U0wBiEcSpZPBw==
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

2026-09-17T12:10:36.665773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012843
observed 324cc5eacb9d0f8ac739904f3575006e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:36.644598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012843/manifest.json
observed aef4bf53400e051c95f268c71a056320...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:36.625820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012843/publication.md
observed f1a676b2b570735ea24f53a8d8218421...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:36.602110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012843/publication.txt
observed a16a804524328bcdbba49292fa813f26...
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.