OpenTechnical

OT-2026-000011029

Publication integrity record

Three pad foam vacuum gripper, 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-2026-000011029) never changes.

Identity and time

Publication numberOT-2026-000011029 · never reused
Internal UUID01a0ae6c-540e-7ba7-aacc-05b902701ffb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011029
StatusPUBLIC

Content hashes

Canonical text4bb42acee91de0cd8b79595437aee218cca1da964d1e7697547706c6b7889328
Markdownb14915110d0f29311125283f7d21c520dbe3662bad789c52780130c89f8bddbb
PDF
Publication page764325889e6ada62030b373c817876217d7b9fb5d1550634a139fec5154b521f
Manifest24401daadd0f7980d9f74dc73c61f9c8bbd5663b9e9746e8a8dc54cddd11b5f0

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
SignaturejDWnngmadMJJHkUk6dtH41Z1ZYq43D3aUxqF2eUfgk5xjDeExFjLo7ynoAVSc2PZ6LhFGpOExwz9dYsUkfbxDA==
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

2026-09-17T12:13:51.310701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011029
observed 764325889e6ada62030b373c81787621...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:51.290833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011029/manifest.json
observed 24401daadd0f7980d9f74dc73c61f9c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:51.269907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011029/publication.md
observed b14915110d0f29311125283f7d21c520...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:51.246393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011029/publication.txt
observed 4bb42acee91de0cd8b79595437aee218...
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.