OpenTechnical

OT-2026-000029594

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum 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-2026-000029594) never changes.

Identity and time

Publication numberOT-2026-000029594 · never reused
Internal UUID01a0ae73-5e22-77ff-9ca8-fcff40d6dcaf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029594
StatusPUBLIC

Content hashes

Canonical text219e3df0ac456abec7fef2a0162b12c2565d0a80cf53807faf6722b8b09b938a
Markdown9625729aeb686030f8002d9a8af444a981dfb0824cfc824ef996309a29b84965
PDF
Publication page3175c0359d3e25ea2374408d48ca9f43d67598a5948e8548b5de79594ba522aa
Manifest818e83829c3e1cd97840492080b616c6e02d018bdd02f76a7871dc2c3a1427c6

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
Signature+tVIyh+kbAZCHd180ZSh4dnc10GNNPi7SxEyhxqCg65CxuW+rU4uiyjVTDgxZc94uHn2y+BFGa+1MAwd5172AA==
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

2026-09-17T11:39:17.677847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029594
observed 3175c0359d3e25ea2374408d48ca9f43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:17.661357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029594/manifest.json
observed 818e83829c3e1cd97840492080b616c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:17.643492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029594/publication.md
observed 9625729aeb686030f8002d9a8af444a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:17.626029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029594/publication.txt
observed 219e3df0ac456abec7fef2a0162b12c2...
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.