OpenTechnical

OT-2026-000047673

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000047673) never changes.

Identity and time

Publication numberOT-2026-000047673 · never reused
Internal UUID01a0ae7f-c41f-7ed1-a7ea-07553967fc6b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047673
StatusPUBLIC

Content hashes

Canonical textc09f33405218c696a443852cf16cb391987c81e2a8cbb2eed9acd57601e8fbfa
Markdownff4cb5ed45911b79bc811159a7153e3d02c61166dd1fba181be467eab3e5795d
PDF
Publication pagecb4ee0a9d9f534e5d9955114c5da53618769c50a716f3e207c8f19ee7613750a
Manifest64fc6373e2e4789365d20cf1ef4307616cd9e84189bbc026b13dbf1989dff644

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
SignatureSvnHeOmFM9D4PjB3J/CgL1kjCnKMK8iewLyoKX+YlbZlgYB5kazkscFHyZapvT/bZCQv6eKDRcLmTcab/RbtCg==
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

2026-09-17T11:05:31.064339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047673
observed cb4ee0a9d9f534e5d9955114c5da5361...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:31.046857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047673/manifest.json
observed 64fc6373e2e4789365d20cf1ef430761...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:31.026800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047673/publication.md
observed ff4cb5ed45911b79bc811159a7153e3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:31.005707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047673/publication.txt
observed c09f33405218c696a443852cf16cb391...
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.