OpenTechnical

OT-2026-000015438

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000015438) never changes.

Identity and time

Publication numberOT-2026-000015438 · never reused
Internal UUID01a0ae6d-ef49-7bf0-9a05-cf8fe0ae2e44 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015438
StatusPUBLIC

Content hashes

Canonical texte0ec47a682f0174c6ae3558e60d47eef8fffa39a96a6955fa7e47c96b26b2373
Markdown1f9b43cf7f06d3252dceb57444dc725fb0a799cd6118892f9b48b3f5c6cd0e28
PDF
Publication pagea0e013bbb788c8eda6ffe826e9ccd832e3e5ddb6819d0942daefb824d29c66d9
Manifestde3d218708163276bdc8a3f52980d86022fc62bbbcad616bdf2eed0ba945222f

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
Signature9VS/6AiG4NpLegwiDjy+1VeUyd2RQGHI0aEGzdYu5I6+LRY/Xl19ewqjajB6IGRpKsmij5r6ckzwoNZvoKn8Dg==
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

2026-09-17T12:06:10.713316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015438
observed a0e013bbb788c8eda6ffe826e9ccd832...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:10.695037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015438/manifest.json
observed de3d218708163276bdc8a3f52980d860...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:10.673778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015438/publication.md
observed 1f9b43cf7f06d3252dceb57444dc725f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:10.652827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015438/publication.txt
observed e0ec47a682f0174c6ae3558e60d47eef...
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.