OpenTechnical

OT-2026-000048022

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, two stage ejector, manifold 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-2026-000048022) never changes.

Identity and time

Publication numberOT-2026-000048022 · never reused
Internal UUID01a0ae7f-c423-7c6d-9b65-1bef655a9c41 · 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-2026-000048022
StatusPUBLIC

Content hashes

Canonical text8367287447660b29b9bf81a81375f064149993f654a3d72754e042fb44813ac5
Markdown59aa297b6dbba7976b47d8487ded6c783f90dab3d3ccb8cb499c9a400c1e2c69
PDF
Publication page7f9ea8ba9c50110d4f60956767ecc341c0ec426f8823f66f2c258553fb90e2ae
Manifestff68b7b9e1d7cf801b6c8289672d98b25a14f8889e6a36db408492aa0e93b4d8

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
SignatureIjPIdZWVyxcnKXb3ZUHqq95WGfodmZLw+rZHN1W4W+ddE6QcXby9orjjcTpN+9GnqInLJauEflYBuHeNCWczDw==
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

2026-09-17T11:06:01.079972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048022
observed 7f9ea8ba9c50110d4f60956767ecc341...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:01.061148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048022/manifest.json
observed ff68b7b9e1d7cf801b6c8289672d98b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:01.043243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048022/publication.md
observed 59aa297b6dbba7976b47d8487ded6c78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:01.024055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048022/publication.txt
observed 8367287447660b29b9bf81a81375f064...
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.