OpenTechnical

OT-2026-000046129

Publication integrity record

Single cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off 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-2026-000046129) never changes.

Identity and time

Publication numberOT-2026-000046129 · never reused
Internal UUID01a0ae7e-032b-743d-9b02-56e8a192d98c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:29.080672Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046129
StatusPUBLIC

Content hashes

Canonical textfe7c2dd992cca58448aebb11cdd505569d8e8ef2f036d1364b99705844e89fef
Markdown2ab7e71a4f95af8ed2cbb66705209649b2f4527d62a1e45440aa9687c0b3a705
PDF
Publication page5c85c0eef92506b6aeabb0f2815dac57a5ad0ab16ee4663d71f3c1c11c21832c
Manifest5c57f2a6f0063f4e7ecf0fff86bb32ba4786878a7be0d63776794e05b01acaa9

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
SignaturebhRjzEz5QEuxTXCw8g1xzgBGovw9rRZRbXGA9TRQQIzMcHXhhVsFM2/zeofJGevCw/fzwm6J27KCJgmkqI67Cg==
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

2026-09-17T11:09:06.883769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046129
observed 5c85c0eef92506b6aeabb0f2815dac57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:06.865958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046129/manifest.json
observed 5c57f2a6f0063f4e7ecf0fff86bb32ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:06.846863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046129/publication.md
observed 2ab7e71a4f95af8ed2cbb66705209649...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:06.827943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046129/publication.txt
observed fe7c2dd992cca58448aebb11cdd50556...
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.