OpenTechnical

OT-2026-000015630

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, 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-2026-000015630) never changes.

Identity and time

Publication numberOT-2026-000015630 · never reused
Internal UUID01a0ae6e-0c4b-754f-8053-39a5e394da4c · 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-2026-000015630
StatusPUBLIC

Content hashes

Canonical text7e866ee6c9ea938c7241ac9a64d2aa35dfc7778df88ba7cfbba4d7839edd417e
Markdown728259596e0f54f95b8ba2bf9c315aabe9bab989b33d60531639fa8f7f88b76c
PDF
Publication page9fbe43d161e7291ea7ebf8323ca0e74aa9799a55323453fe9e1978f795d3f731
Manifesta60dc21a027e03ef066d576951e29b1f41e8ad973567b1c7dff25ada60a02746

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
SignatureP37cQHynjoGOhIyb/AjKuhcC2YaB56Hua8m2+mLLTjgOtAtnbYUOCRvmPCIY8RwLS3ZwKh833eXeR/Imf+2zCQ==
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

2026-09-17T12:04:52.897669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015630
observed 9fbe43d161e7291ea7ebf8323ca0e74a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:52.879265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015630/manifest.json
observed a60dc21a027e03ef066d576951e29b1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:52.861048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015630/publication.md
observed 728259596e0f54f95b8ba2bf9c315aab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:52.841177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015630/publication.txt
observed 7e866ee6c9ea938c7241ac9a64d2aa35...
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.