OpenTechnical

OT-2026-000049430

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, 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-2026-000049430) never changes.

Identity and time

Publication numberOT-2026-000049430 · never reused
Internal UUID01a0ae81-8f7b-7f9b-b6b2-58c7af263530 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049430
StatusPUBLIC

Content hashes

Canonical textd598526e3a068a77aa3241958266bcd56dfeb9810fde68ed6a8fabf3f122ef30
Markdownd05c6a201bd1edcb0d783fa2160572e9330c1963c1cbac2fc9a5f0d4eaeea1a9
PDF
Publication page1244ebd2d31ecaeda7965d8e8dded3e51d328994b873113396b94139cfc2e81c
Manifesteaf89420693043bee52e135ffece2b9462daf676d6de5720cf470403d99072f7

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
Signature594dMCbggQ1HR9tYSqTAWIRhnFe/3DWeiEgwrkpU23Iqi3d6cjkmnoVx6D3kgIGeujyuYG0g2aQXLtC9P5mrCw==
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

2026-09-17T11:02:15.663369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049430
observed 1244ebd2d31ecaeda7965d8e8dded3e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:15.645959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049430/manifest.json
observed eaf89420693043bee52e135ffece2b94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:15.628189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049430/publication.md
observed d05c6a201bd1edcb0d783fa2160572e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:15.610791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049430/publication.txt
observed d598526e3a068a77aa3241958266bcd5...
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.