OpenTechnical

OT-2026-000038724

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000038724) never changes.

Identity and time

Publication numberOT-2026-000038724 · never reused
Internal UUID01a0ae78-769e-77f7-b6d8-4515156f11ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038724
StatusPUBLIC

Content hashes

Canonical text73c44f2611e17e2465bb11eaf34a25dccfbb986ced6605f1f0790fd9b9f37aac
Markdown49d5c72998e5d3b0044560e4d7cc9ba9ff9608b22e71ba8b96b16d94087037e7
PDF
Publication page4228910bc86e4838d6d311312e47c7f11beb4c00af07302bbd7135b8e81c2088
Manifesta3d079b5cbe90574dd5d9df456b028c28a94f6074bc20da2398fcdd11cf917cc

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
Signature2FOffi8LjfnHRpfZ6haEATBGoNqY+gMjv3LyvEypKRYIVbNRAC/zwtBxVV1RHjG/WbrQBFf4qTNgMkln95mPDg==
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

2026-09-17T11:21:15.243576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038724
observed 4228910bc86e4838d6d311312e47c7f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:15.226515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038724/manifest.json
observed a3d079b5cbe90574dd5d9df456b028c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:15.208322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038724/publication.md
observed 49d5c72998e5d3b0044560e4d7cc9ba9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:15.190415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038724/publication.txt
observed 73c44f2611e17e2465bb11eaf34a25dc...
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.