OpenTechnical

OT-2026-000047913

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off after 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-2026-000047913) never changes.

Identity and time

Publication numberOT-2026-000047913 · never reused
Internal UUID01a0ae7f-c421-7895-b63d-fbb63168fb30 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047913
StatusPUBLIC

Content hashes

Canonical text7dc7b3ddd647453674fc25582ef4d92da7220e8386a326f262260d899c73ba74
Markdown15b22cb66b82b8fecb54f4472918a729472c4d552a6e34f069d69c0e227a3772
PDF
Publication page8c32ca1b171c41fd6ea5cd1c82922edabf4256bd9c7da4c710fbdac27e111958
Manifestd0120e91be4c8939d52e7f4307e0ab0e10b55432a8fe89edd16171916e743e01

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
Signature0IpeG4ccoh5Y3L4geGaL9RNdUqw9JIJdcO7r1jgAlsyFS163wW+JKF2NS4eWjJjFjzZfABxx6zrw0WHmRHBRAg==
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

2026-09-17T11:05:51.389150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047913
observed 8c32ca1b171c41fd6ea5cd1c82922eda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:51.371541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047913/manifest.json
observed d0120e91be4c8939d52e7f4307e0ab0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:51.352763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047913/publication.md
observed 15b22cb66b82b8fecb54f4472918a729...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:51.333798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047913/publication.txt
observed 7dc7b3ddd647453674fc25582ef4d92d...
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.