OpenTechnical

OT-2026-000029137

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, 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-2026-000029137) never changes.

Identity and time

Publication numberOT-2026-000029137 · never reused
Internal UUID01a0ae73-2aa0-7835-962d-c9a31c308bdd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029137
StatusPUBLIC

Content hashes

Canonical text23838a92f2b9600b7b9325b97cc8754aa443ce197dc05620e8a67949a839668c
Markdowncaf1da7ad0746776c9f6b3f6a6d6fb9f3e8576c4aced0fe919359aca4833aa95
PDF
Publication page3e05d26f4e5936aa11f173c8a8cec4aaaf4b9192f3571457189e2d0b6fb6cf97
Manifesta894a84b63e4f692c17b0b409bb59f43865a3f73179f891557c2e5dc83f4fd21

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
SignatureBvkY2U1U9G6PeZPbh4/Z8TavKq+wxysbkHFSFollQYRjMO7nKiGBxnuxGhJqd9Ts+qLGo2+ImrjrdMG+/dMnCw==
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

2026-09-17T11:39:37.327741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029137
observed 3e05d26f4e5936aa11f173c8a8cec4aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:37.311563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029137/manifest.json
observed a894a84b63e4f692c17b0b409bb59f43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:37.296157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029137/publication.md
observed caf1da7ad0746776c9f6b3f6a6d6fb9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:37.278876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029137/publication.txt
observed 23838a92f2b9600b7b9325b97cc8754a...
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.