OpenTechnical

OT-2026-000025430

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000025430) never changes.

Identity and time

Publication numberOT-2026-000025430 · never reused
Internal UUID01a0ae71-5fa7-782f-a13b-4169935a9cf2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025430
StatusPUBLIC

Content hashes

Canonical text5bc616276a36ada67d1019683f643a7e9ade2017c1dd32199fd36889121ad873
Markdown20d34c7b125b57d025f02a9cbd3c29a53cde4e232fb051d1e637de01f03f7b7b
PDF
Publication page53dacf55bd737435b0c93960f2402049252eb3e6dbd6aa1f1f69ade06b09b2c4
Manifest97a5b19f5985343eaeffec2c30bea038e82f2ebbacfed840151dc8b6fec32681

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
SignatureufCWZBioWw56NsswTxtc1DfpZPOi26Kx5fQzmjLZGeMytBn+UynXtzeeA+FdWt6qlE3MFnq4ivc3KZEbLALKAA==
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

2026-09-17T11:47:30.589208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025430
observed 53dacf55bd737435b0c93960f2402049...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:30.572429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025430/manifest.json
observed 97a5b19f5985343eaeffec2c30bea038...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:30.556370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025430/publication.md
observed 20d34c7b125b57d025f02a9cbd3c29a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:30.536370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025430/publication.txt
observed 5bc616276a36ada67d1019683f643a7e...
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.