OpenTechnical

OT-2026-000033908

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, sustained blow-off before 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-2026-000033908) never changes.

Identity and time

Publication numberOT-2026-000033908 · never reused
Internal UUID01a0ae75-a392-70e4-ab10-8586b4060bb5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033908
StatusPUBLIC

Content hashes

Canonical text7ddc67548c3eb43fc88f0b48bb8892dcd586b66a425ae9fa523852d28e1de154
Markdownaafa3d6ed2fef981614bb77cf6c5d57dcf649ec49eaff63cfd43ebccce4afa56
PDF
Publication page4b1ee9a22d81f792610827dd7e542bb4bfee3e81e63972f6a4160fa9887299c8
Manifest2cedb8be13bfa1ded0b3fcb0d7e3f78d3d269a4d9ba82c7bcebe96015d7f8e4a

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
SignatureF5t3rgGFmjqOIMBT4zBDkc8Nl6ZAbw2atKhylL5vgLnUBKjejMRQsc/cx4JbHZeC8ONiKG1lxc9vpkDDFEInCg==
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

2026-09-17T11:31:59.270981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033908
observed 4b1ee9a22d81f792610827dd7e542bb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:59.250245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033908/manifest.json
observed 2cedb8be13bfa1ded0b3fcb0d7e3f78d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:59.227504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033908/publication.md
observed aafa3d6ed2fef981614bb77cf6c5d57d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:59.210121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033908/publication.txt
observed 7ddc67548c3eb43fc88f0b48bb8892dc...
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.