OpenTechnical

OT-2026-000032009

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, 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-2026-000032009) never changes.

Identity and time

Publication numberOT-2026-000032009 · never reused
Internal UUID01a0ae74-bad3-7e4d-af0c-5faa0cac8b75 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032009
StatusPUBLIC

Content hashes

Canonical text0ae6125a69c7b74142d3993bd9dca49b558c93a46fbc04b171534525104a9ec9
Markdown5c401fccaa9e0382a72882e3438e57a67652d70ce40fcf3578c7722b791f0c7f
PDF
Publication page0dd951a4c38aa92fc504b7d2c70996731b0f496c7e1a1a1068091e0c631871ee
Manifest7f394218d7a74293e5551e8c04ba22ab29f583d497b483872af7f00ce87c353e

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
SignatureNAUPHbmCNqaQ87YRmX0fMZWHoN9e+19BUHiXDhiJtZoHXZ1/ih2/BMHBxxbuRA2sOTLti8pESgrTsWf9L/IEAA==
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

2026-09-17T11:35:24.755053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032009
observed 0dd951a4c38aa92fc504b7d2c7099673...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:24.733413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032009/manifest.json
observed 7f394218d7a74293e5551e8c04ba22ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:24.715567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032009/publication.md
observed 5c401fccaa9e0382a72882e3438e57a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:24.696198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032009/publication.txt
observed 0ae6125a69c7b74142d3993bd9dca49b...
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.