OpenTechnical

OT-2026-000092947

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, 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-2026-000092947) never changes.

Identity and time

Publication numberOT-2026-000092947 · never reused
Internal UUID01a0ae9e-090f-7d45-ac19-48f308e7bcf8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092947
StatusPUBLIC

Content hashes

Canonical texte7c5da732a6411f268444515881a8484a998de81f1bc1a2d796c1a2a0a3ae25e
Markdownb13d79291dee7e48e50e156f98ab1dade1795753c243bbc96a63757291f2af10
PDF
Publication page7b6e858348a1fd63730098a1a01a7cd85cb37fa27cecda1f754f3a6f0f69fb70
Manifest3fd94d3ddfb25a36677e5302f35f2b5433f2f20170cf7860b9d6a6a85a73f19e

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
Signaturen9HiWBnUsMBelYuRlA44r/wBDgaOu0ojJ/udr3K2E7sLe8Zh7brVMgomw77LAeT+C7rEEcL495XwWi4tN66JBQ==
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

2026-09-17T09:40:04.102380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092947
observed 7b6e858348a1fd63730098a1a01a7cd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:04.083541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092947/manifest.json
observed 3fd94d3ddfb25a36677e5302f35f2b54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:04.065330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092947/publication.md
observed b13d79291dee7e48e50e156f98ab1dad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:04.001229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092947/publication.txt
observed e7c5da732a6411f268444515881a8484...
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.