OpenTechnical

OT-2026-000047470

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, 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-2026-000047470) never changes.

Identity and time

Publication numberOT-2026-000047470 · never reused
Internal UUID01a0ae7f-3e58-70ea-90c5-9bbd1c9da3db · 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-2026-000047470
StatusPUBLIC

Content hashes

Canonical text3f300e6968440a7c966d7ceff423863ad54ec58e24e6b4b924354403b85c4ea4
Markdown7f513961c72b7ec81f21fb7291d2a61439f47d16e6ea44170030508c24bdafe2
PDF
Publication pagedc48ddee6b79173e47af39e3690d94e4cf5d0cefbf22ceae59867dae51ce9a4e
Manifest2719f8f982e71a9efdb2fb75152ffa0c38ea771e8ee852753c300810f4484da3

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
SignatureZUcPQxDiKZN3Z8croer8QRwuJfH06rSIhNvzZdUbgSimArbxNZIUVGkj5q7zGBj7b//WJZz7N1onyraWFkTyBA==
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

2026-09-17T11:06:30.331090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047470
observed dc48ddee6b79173e47af39e3690d94e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:30.314004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047470/manifest.json
observed 2719f8f982e71a9efdb2fb75152ffa0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:30.297965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047470/publication.md
observed 7f513961c72b7ec81f21fb7291d2a614...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:30.262812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047470/publication.txt
observed 3f300e6968440a7c966d7ceff423863a...
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.