OpenTechnical

OT-2026-000083154

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000083154) never changes.

Identity and time

Publication numberOT-2026-000083154 · never reused
Internal UUID01a0ae97-c962-7180-a9d6-7c05e63d3abc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083154
StatusPUBLIC

Content hashes

Canonical text3556fece84668ea0588a6e7a78307f64f61acca6f648476403845bd6b7c79baf
Markdown514919d3f9baf8968d8fb7d1d29dac65384e4eb8d0dc5773829ca230ead51315
PDF
Publication page919fa3c0027e52a4c31c5fc562d9ef796baa4820f60d09f80f756f82afc3b8a1
Manifest51c799e77ce3f19e2438e4a15df680b8a9b5f8d7a16fa8f47deea2c385808521

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
Signaturemhakv4hlhXz9LT4h1aYUBI6OannUp/IvYagjtNYxrym99F8deEUGkLFUIsfpvoYYayK/fQ6vma8MccQxSPW4Dw==
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

2026-09-17T09:00:53.919164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083154
observed 919fa3c0027e52a4c31c5fc562d9ef79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:53.901646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083154/manifest.json
observed 51c799e77ce3f19e2438e4a15df680b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:53.882931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083154/publication.md
observed 514919d3f9baf8968d8fb7d1d29dac65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:53.863079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083154/publication.txt
observed 3556fece84668ea0588a6e7a78307f64...
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.