OpenTechnical

OT-2026-000025246

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, two stage ejector, 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-2026-000025246) never changes.

Identity and time

Publication numberOT-2026-000025246 · never reused
Internal UUID01a0ae71-5fa6-7262-bd92-eb0695335a4b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025246
StatusPUBLIC

Content hashes

Canonical text9c2b0d0b200c32cfa52e9f9deeb949c857df3b103c8b5e45b0d281718cd69060
Markdown74291a06d8f9d1fcf961c41947478d3d4182f7098a67b792d5c2dffca191612d
PDF
Publication pagee3dd76097c4f6d9ff897a12b6e271177b54f0e9d65e3c0cce6c954ae6239b46d
Manifest95f849e978ecb68799f1a85442a61d67901e25e324644ab05c8b54ee00004934

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
SignaturenxUmuw2RXU4ZRUXXnuskmCbetJegHUOT4L8IRlsNCTcQDQBwZAfmSbqfVZt1LeP20IWzjwm1upvQXOuSAzNdAw==
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

2026-09-17T11:47:12.574608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025246
observed e3dd76097c4f6d9ff897a12b6e271177...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:12.553478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025246/manifest.json
observed 95f849e978ecb68799f1a85442a61d67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:12.519429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025246/publication.md
observed 74291a06d8f9d1fcf961c41947478d3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:12.482160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025246/publication.txt
observed 9c2b0d0b200c32cfa52e9f9deeb949c8...
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.