OpenTechnical

OT-2026-000029433

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, 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-2026-000029433) never changes.

Identity and time

Publication numberOT-2026-000029433 · never reused
Internal UUID01a0ae73-5e21-7494-8123-c728cbf01d51 · 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-2026-000029433
StatusPUBLIC

Content hashes

Canonical textfa28dbd4f0393f7e60d20decbf304fedabd2eebfe464b2084c54afccf22d043d
Markdown14792655622ec7e46d529a7a12c58a2dc292b56303ff538b76cb37a277281dfb
PDF
Publication page72db9df46070d1208fd1c5466174f4821d365700d4c5088f05a1d98bd61adaf6
Manifestfd33952d4eee6cc548d371a5623f43889e442eb98e8b4bea6241cc112f893b48

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
SignaturebFVqnNh7BcneUZeVYWSb1u1DNxWyUY6vgtXhZJEhk+ygonwqLy/+QCTeOwK03R/a0ad1vjk3ctjF7T0tufKUDA==
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

2026-09-17T11:39:02.747962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029433
observed 72db9df46070d1208fd1c5466174f482...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:02.731319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029433/manifest.json
observed fd33952d4eee6cc548d371a5623f4388...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:02.711684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029433/publication.md
observed 14792655622ec7e46d529a7a12c58a2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:02.677997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029433/publication.txt
observed fa28dbd4f0393f7e60d20decbf304fed...
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.