OpenTechnical

OT-2026-000092305

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump fed, supply line 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-2026-000092305) never changes.

Identity and time

Publication numberOT-2026-000092305 · never reused
Internal UUID01a0ae9d-875b-7b78-b524-e3b9ddbac3d9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:54.538201Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092305
StatusPUBLIC

Content hashes

Canonical textebf250812d20bbb034a9165ce0cb0af37cde168fceb95149b42bbf7ef63aea1f
Markdownad460b4bbe7366c8f4c370da2bc8fce2577d7fece25f47349b3aa8056eb0547f
PDF
Publication page91e629b9496d3a638b6a6b05623ad946c23ce3db948c12813d1dc4d18122be66
Manifest2cdfcdebd416af2f269f7e795a76825323f477f93e878f5a01e6270127c1be0c

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
SignaturefvKrTMRwwDFPYGSwNPXHUbSrkIOa0hfsXJnHhgNQjlF/kjYCa9MqZwsnNTETDzVCvT5rYPSfg3FUJdLTV3HDBg==
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

2026-09-17T09:41:50.652689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092305
observed 91e629b9496d3a638b6a6b05623ad946...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:50.636091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092305/manifest.json
observed 2cdfcdebd416af2f269f7e795a768253...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:50.619605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092305/publication.md
observed ad460b4bbe7366c8f4c370da2bc8fce2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:50.602457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092305/publication.txt
observed ebf250812d20bbb034a9165ce0cb0af3...
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.