OpenTechnical

OT-2026-000013415

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, three stage ejector, pulsed blow-off 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-2026-000013415) never changes.

Identity and time

Publication numberOT-2026-000013415 · never reused
Internal UUID01a0ae6d-6fca-7034-b8a9-769c29aa0488 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013415
StatusPUBLIC

Content hashes

Canonical text0e4ec649e8414692bb6e2f03f246878426bcb0761e5b777962ea5986bd4d1fc4
Markdown86b1352f105c679eed685a87f4fbe288e05f2c9c8fddbbf1b616d7ad6e7a3b15
PDF
Publication page8ec11d4c221f8e1bb8a42ca9c0b17bc3b1979e83bb0e79fd7bdd286765a3e694
Manifestcb8133eb22ed43f8fe9ce378a86fcc23e4a4602bd77f1d7a46e550a50e67dd1f

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
SignatureQzIde2l0alWHaX1tv+v8En1OBXsL9UK9+4yoawVll+PKyVWMmPN6TBvc10p4q+LorXDau4Vg8FmidsHzCN9pAg==
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

2026-09-17T12:09:53.741895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013415
observed 8ec11d4c221f8e1bb8a42ca9c0b17bc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:53.719320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013415/manifest.json
observed cb8133eb22ed43f8fe9ce378a86fcc23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:53.698679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013415/publication.md
observed 86b1352f105c679eed685a87f4fbe288...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:53.678080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013415/publication.txt
observed 0e4ec649e8414692bb6e2f03f2468784...
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.