OpenTechnical

OT-2026-000033091

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, pulsed 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-2026-000033091) never changes.

Identity and time

Publication numberOT-2026-000033091 · never reused
Internal UUID01a0ae75-4844-763a-8c04-7f6e74e08c29 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033091
StatusPUBLIC

Content hashes

Canonical textb9229a3d2b7715dbf45521721e48cbcf64240ad6798ca314f8ca05b032593ab9
Markdowne1cbdbcec9a898b39b4328f6425ba3c76af03c2c43f5b2769972f1a767a701df
PDF
Publication page0b361ee3fadc85cf71d0bccd2936f8937c1e8db2c1dee9e917929b1b2ab91350
Manifest753d05a87b4419e944affb653fd4c8009ab5cb170694a9dee31d68568fd248ff

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
Signature8urJ8wNrDb7gbO4MvnsakSwnqYBbV8vRhz8CQU4chf4EWoeQcZICOBzk9wZXBi61MHBpY/08wcVGkY5kGZgMCw==
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

2026-09-17T11:32:44.477372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033091
observed 0b361ee3fadc85cf71d0bccd2936f893...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:44.457237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033091/manifest.json
observed 753d05a87b4419e944affb653fd4c800...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:44.440118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033091/publication.md
observed e1cbdbcec9a898b39b4328f6425ba3c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:44.414396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033091/publication.txt
observed b9229a3d2b7715dbf45521721e48cbcf...
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.