OpenTechnical

OT-2026-000031534

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, pulsed blow-off after set-down

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-2026-000031534) never changes.

Identity and time

Publication numberOT-2026-000031534 · never reused
Internal UUID01a0ae74-87ae-7332-8c53-59c2fc813a27 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031534
StatusPUBLIC

Content hashes

Canonical texte9cbabc288bb57e3ac12691efee0cc0c5f7cfa30ac9a889de4e9126a5d8257da
Markdown17a9ad758cb92dbfbb9a8710242e35a677ef01f6e96f79a30fc103406c071022
PDF
Publication pagee0a93f6945fcb52308328971be72dd72f7ca64dc1d903d3cfa4157a9b5d39d2f
Manifestca08ae161efdf3e642ebbc2e3d2df08c9c22e5ba6dcf3b96cb79915c2276aa9d

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
SignatureCGpwZTMR6Pt7hu3SE1sF7XK6JOJIxF5Ovs+IljGzw112BiZYJNOExZvhlFwauvHnq19YulcAD/kDP+bT5AVrDQ==
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

2026-09-17T11:36:22.450502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031534
observed e0a93f6945fcb52308328971be72dd72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:22.433039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031534/manifest.json
observed ca08ae161efdf3e642ebbc2e3d2df08c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:22.416567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031534/publication.md
observed 17a9ad758cb92dbfbb9a8710242e35a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:22.398977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031534/publication.txt
observed e9cbabc288bb57e3ac12691efee0cc0c...
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.