OpenTechnical

OT-2026-000033850

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, pulsed 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-2026-000033850) never changes.

Identity and time

Publication numberOT-2026-000033850 · never reused
Internal UUID01a0ae75-a391-708f-aa46-926676991d08 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033850
StatusPUBLIC

Content hashes

Canonical text00812e8067eb9cf9db4c8015abfe1926e4990aa01d4c330c3def788c2833f3d0
Markdown093595b6139f2051984df0d8971d688c64d3ce12e99dc162b5455c3fa3a6204b
PDF
Publication paged9026c23a1d5b4e360c8e20b66406ce3d5d13b42417f7f58fa5d77c5c596c259
Manifest6bf3e77d949b6a4108774b99f983a02f62740c7e357be5e7eeb757b26a91e722

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
SignaturelZl56fyKzhEzS/fm2By8rhP0BQRg1DdirAZtIrsH0uzqX00vHh38MdL3Td0Sd8ybNluV6xxys6cL1+wOT/KzAg==
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

2026-09-17T11:31:54.536608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033850
observed d9026c23a1d5b4e360c8e20b66406ce3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:54.520340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033850/manifest.json
observed 6bf3e77d949b6a4108774b99f983a02f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:54.502392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033850/publication.md
observed 093595b6139f2051984df0d8971d688c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:54.486149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033850/publication.txt
observed 00812e8067eb9cf9db4c8015abfe1926...
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.