OpenTechnical

OT-2026-000008158

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum 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-2026-000008158) never changes.

Identity and time

Publication numberOT-2026-000008158 · never reused
Internal UUID01a0ae6a-908c-73f4-abda-a9258be4e9a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008158
StatusPUBLIC

Content hashes

Canonical text8937284d7403129781ed906deae14106f30b6714860cdcd651f3b2505867e3c6
Markdownaa1808419f3121dd4709d4773e25eaf009f2a54cee298f97b24b7e4a11df7156
PDF
Publication page8adac5ebb7ffbe4119b3d2998459591794cee71323429cf1a6388ed9a7dc15f6
Manifestb74c9f4d74b00769c76ce540fdf2730e80bad4aeb0d02111b5d857f122e42882

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
Signaturegcjtl3ejJBmZOaZehRRfvvdh84Eoc47MCa30p+tT6FaB40i8Gj3oscvdczzdVE4Q7+cndmToIhIIwphSTTOGBw==
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

2026-09-17T12:20:31.086175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008158
observed 8adac5ebb7ffbe4119b3d29984595917...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:31.064277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008158/manifest.json
observed b74c9f4d74b00769c76ce540fdf2730e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:31.045889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008158/publication.md
observed aa1808419f3121dd4709d4773e25eaf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:31.027960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008158/publication.txt
observed 8937284d7403129781ed906deae14106...
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.