OpenTechnical

OT-2026-000032272

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000032272) never changes.

Identity and time

Publication numberOT-2026-000032272 · never reused
Internal UUID01a0ae74-f7a8-77fb-a347-b12a99f7fb66 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032272
StatusPUBLIC

Content hashes

Canonical text219db058799797797620b72a9d95f24aa0678f0e723caba5d5c7781d47e4d171
Markdownbfe801dbc2d970b2c423f2ca45c742efaa761c817600b51bbf0121f27934a7a4
PDF
Publication page89da6f09661e2e5a61a6c73565951dbff15d7880d76c03f6642760fe2b7f5a82
Manifest62c391301c4893ed405caed4b0e808ed775fefaa3d4913df7db58afe8b96dc6f

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
Signature3Mc0D35SsnpZRnPRM7BrrYpO342pcoqqjQ0CEK4Y2wHzWF1EUe53iiWq6Tqr/ClNdq7wBFE3vN211eVAd1InAA==
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

2026-09-17T11:34:38.126895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032272
observed 89da6f09661e2e5a61a6c73565951dbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:38.108688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032272/manifest.json
observed 62c391301c4893ed405caed4b0e808ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:38.090207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032272/publication.md
observed bfe801dbc2d970b2c423f2ca45c742ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:38.071325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032272/publication.txt
observed 219db058799797797620b72a9d95f24a...
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.