OpenTechnical

OT-2026-000008435

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, manifold 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-2026-000008435) never changes.

Identity and time

Publication numberOT-2026-000008435 · never reused
Internal UUID01a0ae6a-e46a-74c9-9cde-584e1db67714 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008435
StatusPUBLIC

Content hashes

Canonical text15a1891dd119b655963125c34825946073ff9a1de079370f17740178b9b72914
Markdown8669042b7d28c73651df0ea7e7c0707cb6092a26a430759c566e388db7e1496a
PDF
Publication page22bf827d0c00e83ef74a4f2ae71d52542fd9fc1283a70108684db48947d90f1e
Manifest16b2b279e307f1e0d187937b085d8a586e5c203ed2e874716f12b789a96f1d71

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
SignatureKaFvM2Fy665JKrSJfDJ9e7zSphVGhXv68TQiPT+xjiyWUbvxpUqP/PW7eUv7PJkakYIJYkpg0sbbh8SA3P+0Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:17.766037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008435
observed 22bf827d0c00e83ef74a4f2ae71d5254...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:17.747507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008435/manifest.json
observed 16b2b279e307f1e0d187937b085d8a58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:17.726780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008435/publication.md
observed 8669042b7d28c73651df0ea7e7c0707c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:17.706579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008435/publication.txt
observed 15a1891dd119b655963125c348259460...
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.