OpenTechnical

OT-2026-000089150

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum 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-2026-000089150) never changes.

Identity and time

Publication numberOT-2026-000089150 · never reused
Internal UUID01a0ae9b-db00-7871-858d-e45f349a2483 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089150
StatusPUBLIC

Content hashes

Canonical text1f700ad9ca3f1c3e48a87b55ea884485204c37afca79918d7da3447928cd27ff
Markdown02eb5b0c76006c4811f402551e75373b85f7e320c17523bacd9d3123966b244e
PDF
Publication page0c8967ec4f11fb68499e2623bc0e31478ffb09b67f4b62e51cdb22bb34345637
Manifestfeeee6425feb663f12a70b1d15477752de098cf3aa75ec3fd23083be3009a7a1

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
SignaturecrE93w6J1V350RKhqmEBJO7OQjaJggsB5+tOK1RwVIVZDHwzjpIgC+v1d20RJps8rOAHfyaEkNGLjfOA9QozAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:47:04.400983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089150
observed 0c8967ec4f11fb68499e2623bc0e3147...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:04.384959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089150/manifest.json
observed feeee6425feb663f12a70b1d15477752...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:04.367192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089150/publication.md
observed 02eb5b0c76006c4811f402551e75373b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:04.350754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089150/publication.txt
observed 1f700ad9ca3f1c3e48a87b55ea884485...
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.