OpenTechnical

OT-2026-000018139

Publication integrity record

Foam pad vacuum gripper, two zone face, 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-2026-000018139) never changes.

Identity and time

Publication numberOT-2026-000018139 · never reused
Internal UUID01a0ae6e-b488-73ca-b197-760cb3cf114c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018139
StatusPUBLIC

Content hashes

Canonical text673e945d8f9ce7cf1fd022848679b039fed3b87aa64d556c37c8e73a58babadb
Markdown28e0608f7f49a7fc8bcef7f791338bdb22ed3b8813c0b45dd888ab6bc5edf237
PDF
Publication page5290b1f059fc980d6772f6d424c76e864d384de2cd33c2d8ffebc6dc49ef5a90
Manifestd757004ccddd2e6896565be8df1b91c52fc7994b4111cfe3855cb2379550ce91

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
SignatureZord/uiXHe7cAH6l74aQS/0iUCg72kJ1haD7jaR7FCztFWp7TI3anVgduUvJt1CMIQleSGV+/Tp/+dGtuNloDA==
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

2026-09-17T11:59:52.960287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018139
observed 5290b1f059fc980d6772f6d424c76e86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:52.942450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018139/manifest.json
observed d757004ccddd2e6896565be8df1b91c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:52.923010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018139/publication.md
observed 28e0608f7f49a7fc8bcef7f791338bdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:52.904190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018139/publication.txt
observed 673e945d8f9ce7cf1fd022848679b039...
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.