OpenTechnical

OT-2026-000020150

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000020150) never changes.

Identity and time

Publication numberOT-2026-000020150 · never reused
Internal UUID01a0ae6f-4379-7003-840b-a36f9246e988 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020150
StatusPUBLIC

Content hashes

Canonical text53926958a51e37469099bfc549d03fafc27bf160043775b7761fee34b1d376e9
Markdown5730cdd2186ea805d909f923a11a34500135c771b364f03ec884508f62867871
PDF
Publication page4f2e5036a4d631123d4cac5d40951ffe7b288905c9d38f75c80651f02ddac1d6
Manifestf9d8442c76920bb77038622e62ae9b1fd15a1ea1f0187ec7446d5c71ccaf6e70

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
SignatureoaVA9EtNhfi2EAiFtYi4kyT+cESsnXnIRZHKHSuhNS7ddFrzi8mJWxqOFYo6cp8Wd5m3yQLddyKl6n5Q4jdiAw==
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

2026-09-17T11:56:27.904816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020150
observed 4f2e5036a4d631123d4cac5d40951ffe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:27.888563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020150/manifest.json
observed f9d8442c76920bb77038622e62ae9b1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:27.869690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020150/publication.md
observed 5730cdd2186ea805d909f923a11a3450...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:27.849970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020150/publication.txt
observed 53926958a51e37469099bfc549d03faf...
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.