OpenTechnical

OT-2026-000014420

Publication integrity record

Six bellows cup vacuum gripper, six 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-2026-000014420) never changes.

Identity and time

Publication numberOT-2026-000014420 · never reused
Internal UUID01a0ae6d-b27a-7802-864c-0bce54e984ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014420
StatusPUBLIC

Content hashes

Canonical text164e7937bb84c096b499eafb2b2daa31ca7afd0310fdbb76032a238ee0b8455a
Markdown1438331160d2859889db610626163dd29f1965942e792bf0646b558bc9d12110
PDF
Publication page4921fd5d024be4947f5f43171ee16d7c881d86e6b0ec2ba5be8065703fecc393
Manifest6035e68703de0a98ebae520685547abc15bee9aac4010db3d42fca813fcee67b

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
SignaturemHFg3COwnFHKPgxv59bIYZ7NjP2D9vlQpZpcpmJ77nWdM95Ew57WEv5MVTmJzEHEDwYz8G2nv/zcVSLLsVyGAQ==
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

2026-09-17T12:10:11.181342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014420
observed 4921fd5d024be4947f5f43171ee16d7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:11.163881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014420/manifest.json
observed 6035e68703de0a98ebae520685547abc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:11.146311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014420/publication.md
observed 1438331160d2859889db610626163dd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:11.126579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014420/publication.txt
observed 164e7937bb84c096b499eafb2b2daa31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:17.045354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014420
observed 4921fd5d024be4947f5f43171ee16d7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:17.009003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014420/manifest.json
observed 6035e68703de0a98ebae520685547abc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:16.990206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014420/publication.md
observed 1438331160d2859889db610626163dd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:16.973041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014420/publication.txt
observed 164e7937bb84c096b499eafb2b2daa31...
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.