OpenTechnical

OT-2026-000050288

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000050288) never changes.

Identity and time

Publication numberOT-2026-000050288 · never reused
Internal UUID01a0ae82-5c46-709d-b463-7b4ae2aa9bcb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050288
StatusPUBLIC

Content hashes

Canonical texte489afede3756b94476b3c34c5265be8718129898f6b356a6cf6a5215d63245d
Markdowncd4684f94451f860baaa6081cdb5a917bb6972fba75456d6ef36486411335f94
PDF
Publication page75d0b88f2bcfe195a1b35a8c63448df1b4b998e16f38cc2ca47612965c055d5c
Manifest5f1e0d9e8925e9b31926fe692dffea9296be9fe00e33c28d93a5c22fd9ea289a

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
SignatureIs65i9OMXV7vZlRs39MhEnCEIh5/K3R+62or4Iwkp5eUVTUjPGI+DSHbWmuWyywlD00KltjA8dgbKLa7TH5JCg==
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

2026-09-17T11:01:17.640396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050288
observed 75d0b88f2bcfe195a1b35a8c63448df1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:17.619518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050288/manifest.json
observed 5f1e0d9e8925e9b31926fe692dffea92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:17.600192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050288/publication.md
observed cd4684f94451f860baaa6081cdb5a917...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:17.578617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050288/publication.txt
observed e489afede3756b94476b3c34c5265be8...
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.