OpenTechnical

OT-2026-000024185

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, 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-2026-000024185) never changes.

Identity and time

Publication numberOT-2026-000024185 · never reused
Internal UUID01a0ae70-e8c7-7504-8ecc-d768fb6a5a42 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:10.360874Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024185
StatusPUBLIC

Content hashes

Canonical text1aab187d0ab4e45911d5c50733847f188e3c30bcebdb87553d14ada2d5d995ce
Markdown05b436168da0dc16b45d608ed5f867a5795b406cbe6f7f7527b5105323f1a95f
PDF
Publication page80fb9dbe3443f037480adaab3a247eb65faa6b0ddc309580426376ab4d1293a7
Manifest5836b9baa83574bb0bd9e2433e7ca0bdc9dfdfbe738487aa1627caa3a9231451

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
SignaturePYI+YZhcXrMg3+iP4Rh2Ib8udFcRS8NkZcFepZBkSzr2pMJjhlK/GqRo6SHIt0wc5KIRIec1t46Grf4i7NCvAg==
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

2026-09-17T11:48:38.486395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024185
observed 80fb9dbe3443f037480adaab3a247eb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:38.468525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024185/manifest.json
observed 5836b9baa83574bb0bd9e2433e7ca0bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:38.449378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024185/publication.md
observed 05b436168da0dc16b45d608ed5f867a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:38.430184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024185/publication.txt
observed 1aab187d0ab4e45911d5c50733847f18...
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.