OpenTechnical

OT-2026-000011406

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, pump fed, 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-2026-000011406) never changes.

Identity and time

Publication numberOT-2026-000011406 · never reused
Internal UUID01a0ae6c-88fe-7c43-a1a0-222e6f8270ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011406
StatusPUBLIC

Content hashes

Canonical textcd210d5f8bab2eee8572fdc6e1c85a08206ed611e88cc7ca638db46e7f7eafbc
Markdowne11877c6b95cb4652b6237d9cbab2284cdd300a47b824ae2cb0810261f5c387f
PDF
Publication page81b698df6b7e87ad9b1e1abd8b9189b033b131a2c2a7cd5d2a9835f0553b4edc
Manifestda56f7bec34beab95c0c3439d2fe0771fd8469e65888eb1cb1f96d10bc41fd39

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
Signatured28CT2FVSssLY1jzewzrVpOS9TLqvZkFZW/FG/s77509EvVKU+9D5gtZlVJ8fKFHGqaatkzgXDZhkEXabIJrBw==
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

2026-09-17T12:13:09.364744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011406
observed 81b698df6b7e87ad9b1e1abd8b9189b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:09.345279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011406/manifest.json
observed da56f7bec34beab95c0c3439d2fe0771...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:09.326976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011406/publication.md
observed e11877c6b95cb4652b6237d9cbab2284...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:09.309109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011406/publication.txt
observed cd210d5f8bab2eee8572fdc6e1c85a08...
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.