OpenTechnical

OT-2026-000029858

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump 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-2026-000029858) never changes.

Identity and time

Publication numberOT-2026-000029858 · never reused
Internal UUID01a0ae73-ac47-7d91-b466-2d4cbaabc4aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029858
StatusPUBLIC

Content hashes

Canonical text00af0323c192db38c1edcb840457e5c64a43a1286504b9ef3ddccfd8eb369439
Markdownc954bcdcdd1f1b0c942e17cb755ff8225aecd173d2a0741c2dfdce7c835fc13e
PDF
Publication pagee63df47dafb0b56b695fda5c9f64d813edce0ea72db40badd4930f1013f638e7
Manifestd212ccc6434f2a178bd0f286034f3b6425005eb652295d9bf37548535d0008dd

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
Signature9135Q65Rt9kR3Lzd5eUUHItoHZPJYjO1DWTFYDuB9cGsDGAYT9YA1W7w9T6FIGbqpDbjUjUJn37iNLXueed7Ag==
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

2026-09-17T11:38:33.202668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029858
observed e63df47dafb0b56b695fda5c9f64d813...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:33.183572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029858/manifest.json
observed d212ccc6434f2a178bd0f286034f3b64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:33.165135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029858/publication.md
observed c954bcdcdd1f1b0c942e17cb755ff822...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:33.147149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029858/publication.txt
observed 00af0323c192db38c1edcb840457e5c6...
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.