OpenTechnical

OT-2026-000040101

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000040101) never changes.

Identity and time

Publication numberOT-2026-000040101 · never reused
Internal UUID01a0ae79-26fd-72d1-b0d1-902993dfa870 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040101
StatusPUBLIC

Content hashes

Canonical text3d99e7a59099cd2e3fb1b6404b14bbebb9ca5768491d908ac1e90068a4750093
Markdown215f8ddc672716ce56a11774f22b9b22b3c3b0c9677b1519a86a3df79ec0d763
PDF
Publication pagef0ed82edb31c52e81e1dc54a754b1f04ea0661528d5a4c3432faa4b5cc61bebb
Manifestd5afc2e14d79974a7d9de94149751e952aac94486a8600e134f8e024479c0070

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
SignaturefuFzEAVZ4PW0lx0ezXfQZSJnDbvwsM3VvDgzfkb9MOt51AsAPc2p3AG1+cnq8e+QvGFNqX/phfxVq7YyKD5oDA==
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

2026-09-17T11:18:57.686475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040101
observed f0ed82edb31c52e81e1dc54a754b1f04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:57.663680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040101/manifest.json
observed d5afc2e14d79974a7d9de94149751e95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:57.644733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040101/publication.md
observed 215f8ddc672716ce56a11774f22b9b22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:57.626703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040101/publication.txt
observed 3d99e7a59099cd2e3fb1b6404b14bbeb...
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.