OpenTechnical

OT-2026-000014125

Publication integrity record

Single cup vacuum gripper, common isolation valve, pump fed, pulsed blow-off before set-down

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-2026-000014125) never changes.

Identity and time

Publication numberOT-2026-000014125 · never reused
Internal UUID01a0ae6d-b278-7710-bf4e-d32beaa8dfac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014125
StatusPUBLIC

Content hashes

Canonical textf22bd056f809057621db19f526fe1cd82b9d3ebf9299cb92ce4b8c44121b778a
Markdown369285e397fcfb5a1e59c3ada007530d78dd2cabbae40830a49372e70c0c2d77
PDF
Publication paged770a4a880d609ec4ae400a65a8484f55c715be9f381622529420ba1978ef36f
Manifest9e5e52066d265a45a8790592249db5b6dc60583bf4cd652c9ec329964f375f05

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
SignaturetuaET5AlToQykdx2Q7Uy07YdLroP9jqhXLlwn1AxpjN9s63T8OiAOvf46ccXwG6WPQ7JErEg9eSvNAKAXVK+BA==
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

2026-09-17T12:07:11.757799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014125
observed d770a4a880d609ec4ae400a65a8484f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:11.739115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014125/manifest.json
observed 9e5e52066d265a45a8790592249db5b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:11.720124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014125/publication.md
observed 369285e397fcfb5a1e59c3ada007530d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:11.699430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014125/publication.txt
observed f22bd056f809057621db19f526fe1cd8...
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.