OpenTechnical

OT-2026-000092188

Publication integrity record

Foam pad vacuum gripper, two zone face, plant vacuum 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-2026-000092188) never changes.

Identity and time

Publication numberOT-2026-000092188 · never reused
Internal UUID01a0ae9d-875a-725c-983d-818b0a3eb317 · 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-2026-000092188
StatusPUBLIC

Content hashes

Canonical textd5697f3276486e61e5145d62e28963bba67c56f6db73f30d881b96c67276065d
Markdown92592685284916b97acf5b5ad19980eb600f63bb768ed51c007ae6c5513ed6e3
PDF
Publication pagec1388ad587c24eed9ffbe901324e71d279e3eb1f07a34128389d084ea3f74eaa
Manifestb62027d016dcdb91ea17ae7400a74994d2e23f726c326b87f9adeef25dba17f8

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
SignatureTF4wZJiTkP0coT/K/CksXkNV5fPthcH8LLsL6LkehkA2yHZE/y6EIpJxW0KWlT7ZUYWzcxMuoUCiE5ueeJgyCA==
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

2026-09-17T09:41:40.215365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092188
observed c1388ad587c24eed9ffbe901324e71d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:40.194177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092188/manifest.json
observed b62027d016dcdb91ea17ae7400a74994...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:40.175622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092188/publication.md
observed 92592685284916b97acf5b5ad19980eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:40.157453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092188/publication.txt
observed d5697f3276486e61e5145d62e28963bb...
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.