OpenTechnical

OT-2026-000027770

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000027770) never changes.

Identity and time

Publication numberOT-2026-000027770 · never reused
Internal UUID01a0ae72-a4a4-7128-a87f-cc08069bbaed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027770
StatusPUBLIC

Content hashes

Canonical text1efbbd1332f6e1dee03f4184b8ffda5e605788e8e3245e0f259cb13f4d438d4c
Markdown064942028c04b654aac6bcdbe12b39d608a4378458685776c2833974cd0469a8
PDF
Publication page42bc59101ae3790929bd56825d12e7164d29e69a6e76f6a7ce66529e842e29e5
Manifest47418d0aa9122ff16f6695f57028ecfd936c0226ef5bce2e400153e65fcfb316

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
Signaturedu0xY7ALNnHCMHtjxgEq/7eZRzRjCjK7ZY205Ad4QhS6sivMtd/dpmBWMQKiSvNIvn/MDsbUhBkGgyQ8syA7DQ==
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

2026-09-17T11:41:48.959317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027770
observed 42bc59101ae3790929bd56825d12e716...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:48.938535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027770/manifest.json
observed 47418d0aa9122ff16f6695f57028ecfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:48.918432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027770/publication.md
observed 064942028c04b654aac6bcdbe12b39d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:48.897344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027770/publication.txt
observed 1efbbd1332f6e1dee03f4184b8ffda5e...
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.