OpenTechnical

OT-2026-000015990

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000015990) never changes.

Identity and time

Publication numberOT-2026-000015990 · never reused
Internal UUID01a0ae6e-0c4d-793b-bd54-830c8e346250 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015990
StatusPUBLIC

Content hashes

Canonical text82db0520cc560d0c2f58894177547e857d8e4ac158a5a74c5c91b98ac641253e
Markdownea7e81f5d943536f28d258d77a571c49c03c172437c15cda38e743194cc2b13e
PDF
Publication page302f9c7ac897cc28c56186cebfae36ee05b55872d2e32895904c8a4c68f53f29
Manifest48049c3d0e7525a1f8d080fa34f85e6335edac813f6bd843eb67f9c67166b5bf

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
Signatureaey9qzYYqynY07T3/KzSljEkKr7maIWi3BdktyzwHBQkWblTt7wLK+Y9KZ3IBjRMP9kuBK6N2JM+VBb/cUlWCw==
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

2026-09-17T12:05:30.443653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015990
observed 302f9c7ac897cc28c56186cebfae36ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:30.418615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015990/manifest.json
observed 48049c3d0e7525a1f8d080fa34f85e63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:30.395020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015990/publication.md
observed ea7e81f5d943536f28d258d77a571c49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:30.370863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015990/publication.txt
observed 82db0520cc560d0c2f58894177547e85...
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.