OpenTechnical

OT-2026-000047206

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump 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-2026-000047206) never changes.

Identity and time

Publication numberOT-2026-000047206 · never reused
Internal UUID01a0ae7e-d0f9-77aa-a159-5f52143b5a45 · 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-2026-000047206
StatusPUBLIC

Content hashes

Canonical text050e67b3fac8d956ead98a3dd37f796f6841db7db8d811babf12d7175898ed6e
Markdown7ac4f35a105a479fd5c375fdeb9056ba0e5ac07b74c585eedd548ef0efdfe006
PDF
Publication page8248198a9a04087080a9ca901980e8f2c7d5d989f1367efb49a75b98e4d84aee
Manifestdc5333bc6035f9d4e85177a36b2e92498c627bd46c4bc841071b39b6f106c6be

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
SignatureU5nndfqLxrRAAU/oKtPTiDKnfcz+1WUbsg0amuS8vnubCcRxI2mxZi9dx+hTmL6ElL8g9myCJyXhsHcpeAc9Dg==
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

2026-09-17T11:08:02.299945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047206
observed 8248198a9a04087080a9ca901980e8f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:02.280789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047206/manifest.json
observed dc5333bc6035f9d4e85177a36b2e9249...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:02.261214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047206/publication.md
observed 7ac4f35a105a479fd5c375fdeb9056ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:02.242361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047206/publication.txt
observed 050e67b3fac8d956ead98a3dd37f796f...
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.