OpenTechnical

OT-2026-000012290

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, 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-2026-000012290) never changes.

Identity and time

Publication numberOT-2026-000012290 · never reused
Internal UUID01a0ae6d-39f5-75e2-a94b-d938adb2cf91 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012290
StatusPUBLIC

Content hashes

Canonical text501682882c87d0e3367862350aa35d8b3874068174b29c65ab4d7f8419bb4b2e
Markdownda144eef2b716762828dddb41c146458b83bdc556752650dc4c9885883206a12
PDF
Publication page0c73f70ef5a3d6062d96cc07060fef911296f0a3f7ac7c2e557a60b16ad10e19
Manifestcfddeefe440edda7e10fb5960bb1e6156ef80fe96b8507cb80430966200580fd

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
SignatureRXjcYuzj8vj8X42oOOYpJzU5OzTbZ4ladM8+fbZZ8+i8Nl/W6hc0lscqbwDS0/KceS8F5uyZ6/1XF+TI1vFqBg==
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

2026-09-17T12:11:13.887196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012290
observed 0c73f70ef5a3d6062d96cc07060fef91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:13.868337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012290/manifest.json
observed cfddeefe440edda7e10fb5960bb1e615...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:13.850783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012290/publication.md
observed da144eef2b716762828dddb41c146458...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:13.833508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012290/publication.txt
observed 501682882c87d0e3367862350aa35d8b...
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.