OpenTechnical

OT-2026-000064324

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off after 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-2026-000064324) never changes.

Identity and time

Publication numberOT-2026-000064324 · never reused
Internal UUID01a0ae8d-a460-7041-95dd-cb670da9d787 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064324
StatusPUBLIC

Content hashes

Canonical textd22dbc5b133dfe17b91a811b1833c3296610e155add43bbbca8f582b731bb224
Markdownba3e7ad616fa8c64591d4a2e00987299ea8b5adf90ea7d4972dfb3351985c0d8
PDF
Publication page05ea54cb45b8775bd48a4df6565361a99a52cf17f1e6c13401a79bf9dd733cde
Manifest5b2a8d533059bb10c5bfb8e57925b1a7322272c2dcd0198c9ff604b696b1226a

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
Signaturexl27AsPl97ahZaORi0sdqtBhF1vPkB5+VW1gfahGmADAjJE1KN4TBjtlodi/8xjQRmFxE6blK55Pp2Vijy7eDw==
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

2026-09-17T10:36:28.679272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064324
observed 05ea54cb45b8775bd48a4df6565361a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:28.663325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064324/manifest.json
observed 5b2a8d533059bb10c5bfb8e57925b1a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:28.645344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064324/publication.md
observed ba3e7ad616fa8c64591d4a2e00987299...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:28.627645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064324/publication.txt
observed d22dbc5b133dfe17b91a811b1833c329...
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.