OpenTechnical

OT-2026-000031370

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, 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-2026-000031370) never changes.

Identity and time

Publication numberOT-2026-000031370 · never reused
Internal UUID01a0ae74-87ad-7815-ab1c-7b73d7cfc185 · 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-2026-000031370
StatusPUBLIC

Content hashes

Canonical text7964235e8fe1bfbdf05c4692b5100b1ece4bddb467efd67438e75636fbc85c3f
Markdowne792561119ad3e575ec9949cc842d6fb3d1edfe2423cfdb2d52da92c4ca51750
PDF
Publication page5a096e44f0ddca39a67123b3a7f2a526635519a7f8a18a1bc6dd5a2d1746527c
Manifest6f9c6d21fcb6f402724353a798dcd8becd4e30b7b89e3412013d7ee37670d0f9

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
SignaturehT1Q7AQakziHjDAP5lA7/xd0qYI3vJREKYaR42QcIkLVHrNsdMGPdX5NEndfRXm1yt2uTC0qXkal7LbhVHJ8DA==
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

2026-09-17T11:36:04.447324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031370
observed 5a096e44f0ddca39a67123b3a7f2a526...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:04.430465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031370/manifest.json
observed 6f9c6d21fcb6f402724353a798dcd8be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:04.412276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031370/publication.md
observed e792561119ad3e575ec9949cc842d6fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:04.394545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031370/publication.txt
observed 7964235e8fe1bfbdf05c4692b5100b1e...
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.