OpenTechnical

OT-2026-000086870

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, sustained 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-2026-000086870) never changes.

Identity and time

Publication numberOT-2026-000086870 · never reused
Internal UUID01a0ae9a-80a4-703e-9f80-de951993f98b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086870
StatusPUBLIC

Content hashes

Canonical textceb18e6bbea2dc050bc5c1b886d936aa841bbf61833f6147760035f0719ee8c6
Markdownf13754ac40c7f66cffc954c4b8adbc596609b91c3712a1befbcb44d9e8d55b05
PDF
Publication page61032c68f7f9dd7cb5353da95a41c722eac0a9d0977b34db57ef913b9d5ad13e
Manifestf44c98558f2765f4f9f860b31a8eefacfe4b5705e003b2d4deff71a5dc134706

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
SignaturekWF9n6mu4EY74zP7+8WCGhUuS+UfVRJGOxVlaS5DYecXJnnvp+wlBYCiKzBF6rmczZSPEYVbafd7+S2Aa15iCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:51:42.796128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086870
observed 61032c68f7f9dd7cb5353da95a41c722...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:42.778654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086870/manifest.json
observed f44c98558f2765f4f9f860b31a8eefac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:42.759837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086870/publication.md
observed f13754ac40c7f66cffc954c4b8adbc59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:42.741628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086870/publication.txt
observed ceb18e6bbea2dc050bc5c1b886d936aa...
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.