OpenTechnical

OT-2026-000016019

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, 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-2026-000016019) never changes.

Identity and time

Publication numberOT-2026-000016019 · never reused
Internal UUID01a0ae6e-0c4d-7992-904d-d9287c1bb66c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016019
StatusPUBLIC

Content hashes

Canonical text13f76022746e0a5b75285abc8b5a94edc91995d1242e61e3f8116533627c7e30
Markdownf7f78d46e1708640508e6bcfa6f02b46499780a23fbea22b7c84a99fc27cc0f3
PDF
Publication page2bc527fb864d8742cc7345b20eb0257ccd3d5e595c99f1109368ab8061d964b0
Manifeste445aee21ed1275a793932150e1f234dbe6dfe505002c347a52b4d0b45932fde

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
Signature8Sjs+f4/RJBr1sb7XV/yZgWWWxIbAF+KcCb21KtWDg487qjUE/Gj5KSoOjnTP5v/uUfob0gXRSp9itG6zz/yCQ==
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

2026-09-17T12:05:33.780760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016019
observed 2bc527fb864d8742cc7345b20eb0257c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:33.762240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016019/manifest.json
observed e445aee21ed1275a793932150e1f234d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:33.740182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016019/publication.md
observed f7f78d46e1708640508e6bcfa6f02b46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:33.718613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016019/publication.txt
observed 13f76022746e0a5b75285abc8b5a94ed...
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.