OpenTechnical

OT-2026-000027197

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000027197) never changes.

Identity and time

Publication numberOT-2026-000027197 · never reused
Internal UUID01a0ae72-3454-7e62-bf84-cb5dbbc89ed4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027197
StatusPUBLIC

Content hashes

Canonical text5374103978696f792ecce450aaf0c68deafbaed84259d35ccfaf7a98f7aebf1d
Markdown57b95b222d27117af40f961bd32bce583dbfdc950e6ae8dc36b928098fb76246
PDF
Publication page45d9b9dd6225d788a3ea498fff62a0c9027e0858f56ca4429014f1affa55d25d
Manifesta3e4a91feee32adaa093f8556cfa5e2a9212a6d320e9c96adf703e1e579f209e

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
Signature19/0iI/+Jyxk9+Z56J5KfKtaIIo3RzbNwZTdLY+5DXHsxf88h9Jqgowk2O+xXe1hSIVHlhpzpc5WlgKpTXHaDg==
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

2026-09-17T11:44:05.205521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027197
observed 45d9b9dd6225d788a3ea498fff62a0c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:05.189529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027197/manifest.json
observed a3e4a91feee32adaa093f8556cfa5e2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:05.172787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027197/publication.md
observed 57b95b222d27117af40f961bd32bce58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:05.157892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027197/publication.txt
observed 5374103978696f792ecce450aaf0c68d...
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.