OpenTechnical

OT-2026-000013682

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, 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-2026-000013682) never changes.

Identity and time

Publication numberOT-2026-000013682 · never reused
Internal UUID01a0ae6d-8de8-7fc2-a7d7-b44a25029cc4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013682
StatusPUBLIC

Content hashes

Canonical text0cd16a45e4c413f318089a34e0179b9993f3328262d3ffec0342b790ce13dd11
Markdown366e305b439231ae6ca80c9ab963b9302fd280a842c3391aee6984d5477a1fee
PDF
Publication page7cb035736909b9f95c5f91196bfb7456d10abedae5dabd63e2da4cd07d1b5325
Manifest04f73f373fbe1eb241ec433f3d18dcf4bc04abbfcd5790ad5176bf240dc2737c

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
SignatureLv8Y9OA4NKF/TevIyqumLfB3rv9Y1oBpgHy5oHa9MpwVAsM80qNypUR59D7gJ7mybu5gMe0IMCyVgs4V3GBsBA==
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

2026-09-17T12:08:37.845813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013682
observed 7cb035736909b9f95c5f91196bfb7456...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:37.827547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013682/manifest.json
observed 04f73f373fbe1eb241ec433f3d18dcf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:37.808458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013682/publication.md
observed 366e305b439231ae6ca80c9ab963b930...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:37.790247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013682/publication.txt
observed 0cd16a45e4c413f318089a34e0179b99...
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.