OpenTechnical

OT-2026-000047406

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line 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-2026-000047406) never changes.

Identity and time

Publication numberOT-2026-000047406 · never reused
Internal UUID01a0ae7f-3e57-73fe-b4e1-642406275fe6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047406
StatusPUBLIC

Content hashes

Canonical text328ac927b807d167487217e42eb71cff728a2ef33d8c97a41b8c9678d493333b
Markdownb5780cdabc448eaeb10d3506b0351e66d654bc75de2e8131dd7ab86bb132e2d4
PDF
Publication page3ba2c5cdeb718618079179490c36cc80c6a9056f7ecb4614c944743d3d4aaa08
Manifest8f9253b4c3c585c47962e80519852f31895f56a05c5d94342f6ae93c2337d37f

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
SignaturegkYSdT12d6aWhK+k1YlJ1+zCLQDO0HfJINxA8o62MIgTA4svh3fydLeZqqZ/og9j+PkkcY/8I5fNYCPtd/q8Bw==
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

2026-09-17T11:06:25.211296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047406
observed 3ba2c5cdeb718618079179490c36cc80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:25.193953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047406/manifest.json
observed 8f9253b4c3c585c47962e80519852f31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:25.177376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047406/publication.md
observed b5780cdabc448eaeb10d3506b0351e66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:25.159519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047406/publication.txt
observed 328ac927b807d167487217e42eb71cff...
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.