OpenTechnical

OT-2026-000013935

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, pulsed blow-off before 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-2026-000013935) never changes.

Identity and time

Publication numberOT-2026-000013935 · never reused
Internal UUID01a0ae6d-8dea-7282-8ad0-e088ea8c2d80 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013935
StatusPUBLIC

Content hashes

Canonical text3e012462ddb3f058187fa436e25823a7cd5429dbb637656d648eb9b6839201f2
Markdowndce05a9295b186c17c2c978e15ad1069d293b1e469009fd63bf5dcaca9820a1e
PDF
Publication page5e5043c40a96b190e7fc7e59ff3cd06d0a4876bce2d6aaf18d258b8e93269663
Manifesta50b532d75f2be7cbf0843a63d49fcdd4daf5f42ef3c27b0e566314e73a511ad

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
SignatureSWjY7VCmd6NMKs2rjBx45HZAVtk+H85d18KjMyssW0AOTpiIhh5sfy/SBWMJ1nS2yV5qYid/KntMVrK0HOCYDA==
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

2026-09-17T12:09:04.417683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013935
observed 5e5043c40a96b190e7fc7e59ff3cd06d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:04.399198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013935/manifest.json
observed a50b532d75f2be7cbf0843a63d49fcdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:04.381606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013935/publication.md
observed dce05a9295b186c17c2c978e15ad1069...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:04.361356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013935/publication.txt
observed 3e012462ddb3f058187fa436e25823a7...
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.