OpenTechnical

OT-2026-000037590

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed 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-2026-000037590) never changes.

Identity and time

Publication numberOT-2026-000037590 · never reused
Internal UUID01a0ae77-b8cf-7a9b-a6cc-7d00cf6821c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037590
StatusPUBLIC

Content hashes

Canonical text6ad25e6c65fd440ec1f0db60844d50f7b0e5b4e2c1808a7380ea1a69d4d3da8f
Markdown6dc71675354edf6b1bca2c37cd7e1367af5563f039a554721061495e3a3893f0
PDF
Publication pageea49f6a6cfb9f4511865fa0603d1d3f62952d142b91f8cad5e627cd11eec7aed
Manifestbdf59baa7430e33e30a57e972ca55f1587bde0ef9fdeb66e1d226ad29f42752e

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
SignatureSQnihXwvPopVWBdlGu1jvSCDXMOAcFJLGUoWJyFFd2qUdtvcWRBbm2n+bguiEASQruIwZSNsZ8HagPn5FtfsCw==
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

2026-09-17T11:24:08.506009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037590
observed ea49f6a6cfb9f4511865fa0603d1d3f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:08.489553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037590/manifest.json
observed bdf59baa7430e33e30a57e972ca55f15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:08.471924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037590/publication.md
observed 6dc71675354edf6b1bca2c37cd7e1367...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:08.453434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037590/publication.txt
observed 6ad25e6c65fd440ec1f0db60844d50f7...
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.