OpenTechnical

OT-2026-000024172

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, pulsed 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-2026-000024172) never changes.

Identity and time

Publication numberOT-2026-000024172 · never reused
Internal UUID01a0ae70-e8c7-7936-ae9c-ef8329b5c66f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:10.360874Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024172
StatusPUBLIC

Content hashes

Canonical text8de74811c9e674a92ad1e653c192aa38cb4990dea9b1bb1a410b5c182c844ab1
Markdown1fd3109692cdb48fe5e0dc9505294bb2254aa29cca54b73da9ba955c49191f71
PDF
Publication pagedf76523cbc48842cf9bdbae6999f07c0db020dddf3b45f3a65d0b61b2379df44
Manifestb05ca9e0283aea043705c955ca433002ee50c11f8a1f674384b46f985fa94bc5

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
Signaturexv6H5mITeiPMnM0Q1JZfo9ioIl9JUyDCuEyLFQkGQz5dzFsiek9jpmGqqgbGHgyzXQ62la95oCcdNDLdu96VAg==
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

2026-09-17T11:48:37.515671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024172
observed df76523cbc48842cf9bdbae6999f07c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:37.495694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024172/manifest.json
observed b05ca9e0283aea043705c955ca433002...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:37.477722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024172/publication.md
observed 1fd3109692cdb48fe5e0dc9505294bb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:37.447300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024172/publication.txt
observed 8de74811c9e674a92ad1e653c192aa38...
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.