OpenTechnical

OT-2026-000048834

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, 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-2026-000048834) never changes.

Identity and time

Publication numberOT-2026-000048834 · never reused
Internal UUID01a0ae80-c32d-7cc4-aaee-c4d8e47e0292 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:29.321882Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048834
StatusPUBLIC

Content hashes

Canonical textf62f2ebe99a6d54b5c2ac54856417080dc1ea7fe99010320a0e44cd00fcacea7
Markdownc6def3f8bc4cb42f7c2324aa95889588fe440a93388b482a0b510ab2575bac1a
PDF
Publication page2ef59dd5828853908a75f6c1649132f93524be628b070a6db9060d3f0e278d4b
Manifest7106ba9a5916ed2c29ac47cecf53fe7e98016d14224867dab33a46341def2158

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
SignatureQCbBAbyrsCLb+l6DuLnzDLsRqm8H4g7FkzYywyVNpQoALxTZRCvhsm2aLNHno6uC3wFGhc/wGA6yop/Oeg/0CA==
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

2026-09-17T11:04:37.577252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048834
observed 2ef59dd5828853908a75f6c1649132f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:37.559275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048834/manifest.json
observed 7106ba9a5916ed2c29ac47cecf53fe7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:37.540894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048834/publication.md
observed c6def3f8bc4cb42f7c2324aa95889588...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:37.520055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048834/publication.txt
observed f62f2ebe99a6d54b5c2ac54856417080...
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.