OpenTechnical

OT-2026-000047170

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off after set-down

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-2026-000047170) never changes.

Identity and time

Publication numberOT-2026-000047170 · never reused
Internal UUID01a0ae7e-d0f9-7b61-9ce3-15ed88e658be · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047170
StatusPUBLIC

Content hashes

Canonical text94bd99701996015161f3f3732b822204443feae756a2629bad32ce53357ea9d8
Markdown61e114dd3da8b5dbd77a2cb319f28498b9aa2e71acf23069d0e342c363260429
PDF
Publication page46489b57fb7393d2712615641b65fceca3ba6be5246ae3bd3625125c733f778f
Manifest73e2988da829231d3fdaebdcf766bb833214a1e8c254af37348335a3174fba40

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
Signatureh9wEO1lf/F2LOVGcpv0AAyNpN8V6WpzGgAKm2sSwdERtFNMNGhzB+85oWdOsgufKb2DgIhShlN7TvRfN3kO4AA==
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

2026-09-17T11:10:30.999691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047170
observed 46489b57fb7393d2712615641b65fcec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:30.981163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047170/manifest.json
observed 73e2988da829231d3fdaebdcf766bb83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:30.961543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047170/publication.md
observed 61e114dd3da8b5dbd77a2cb319f28498...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:30.941521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047170/publication.txt
observed 94bd99701996015161f3f3732b822204...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:59.294965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047170
observed 46489b57fb7393d2712615641b65fcec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:59.276557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047170/manifest.json
observed 73e2988da829231d3fdaebdcf766bb83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:59.256715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047170/publication.md
observed 61e114dd3da8b5dbd77a2cb319f28498...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:59.237014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047170/publication.txt
observed 94bd99701996015161f3f3732b822204...
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.