OpenTechnical

OT-2026-000018627

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, pump 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-2026-000018627) never changes.

Identity and time

Publication numberOT-2026-000018627 · never reused
Internal UUID01a0ae6e-d520-77e8-8046-54a04da61776 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018627
StatusPUBLIC

Content hashes

Canonical texte51614c980e95ba817e8b15cb670fd4f97c716ae62cab1f9847dd8b854b1588a
Markdownbc6c8b6a89f9bf596057e63b533882f46f83ab284e5838eeb8f5d426c80ed65d
PDF
Publication paged4d1f515dccd120073e16637a29e926da169b903be416203e7f1c58c1444e202
Manifest7bccac415da559fdb93fa49c0caf1fd2a1cebb0a4de92465e1c0a6ee6955ac07

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
SignatureiSpin2xBWc15PbwuydegS8tReekVdSTndYiW6mlxZeP1Xf5Hwsim39HAVEEdlYofIgH/v2a+WYso2IPv8MqHAA==
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

2026-09-17T11:59:04.998625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018627
observed d4d1f515dccd120073e16637a29e926d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:04.980968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018627/manifest.json
observed 7bccac415da559fdb93fa49c0caf1fd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:04.961934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018627/publication.md
observed bc6c8b6a89f9bf596057e63b533882f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:04.940519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018627/publication.txt
observed e51614c980e95ba817e8b15cb670fd4f...
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.