OpenTechnical

OT-2026-000015607

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, 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-2026-000015607) never changes.

Identity and time

Publication numberOT-2026-000015607 · never reused
Internal UUID01a0ae6e-0c4a-7283-90dd-a2f58573d76c · 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-2026-000015607
StatusPUBLIC

Content hashes

Canonical text8084bf99ad98b20e6268fb7c534bb5242314f4bc2123a7a90464a9df03b07b4f
Markdownb5d4f514eca7a010202898191e9733ad83098908b22fad6f73f84fda0e69bef2
PDF
Publication page2c1a3c966fa9f37e873bc9b9771c5fd9cfe9721318bfbbb69c85080cba038a5d
Manifest321d6c3c41082e3d447573b073c8ac08ef33fd80173c414b4481fa4ba3fb5c61

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
SignatureyjqPqdIcROIDnfwARdO1d3rVhPdg15ouZz6nAQZs8C+RRiivBsmld3nqywBiQkgwu++1el2EPTlj2PSVR2zuAw==
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

2026-09-17T12:04:51.157237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015607
observed 2c1a3c966fa9f37e873bc9b9771c5fd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:51.139679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015607/manifest.json
observed 321d6c3c41082e3d447573b073c8ac08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:51.119352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015607/publication.md
observed b5d4f514eca7a010202898191e9733ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:51.101720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015607/publication.txt
observed 8084bf99ad98b20e6268fb7c534bb524...
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.