OpenTechnical

OT-2026-000052390

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, vented 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-2026-000052390) never changes.

Identity and time

Publication numberOT-2026-000052390 · never reused
Internal UUID01a0ae83-e792-749a-ac3e-089874bc4178 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052390
StatusPUBLIC

Content hashes

Canonical textc150c7aade13d7568f31e3d8c4e6e1da4990006c185f40e749e7124bb37644a6
Markdowna7dfc0fe8da5c7c054714e88a56fb3841b1ea29724cf2e204153b413c04bd69a
PDF
Publication page2590d14485d3954622d1604c113f24f36e07567903a3a190347d15229946ee81
Manifestc03e612a115d595bcc6ab014bd0c9c5e8e9f10914a1602f941fb904c73b32010

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
SignatureOWwOtuuRz9TF3I9HzH8SmqJw2xN7GpwSJAPhNJNYqISU7+EwK20+N/OfQfRwxD0mB5dMlu0i7Gi/AcBzl1WVCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:58:05.791191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052390
observed 2590d14485d3954622d1604c113f24f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:05.773771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052390/manifest.json
observed c03e612a115d595bcc6ab014bd0c9c5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:05.756993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052390/publication.md
observed a7dfc0fe8da5c7c054714e88a56fb384...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:05.740134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052390/publication.txt
observed c150c7aade13d7568f31e3d8c4e6e1da...
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.