OpenTechnical

OT-2026-000044541

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000044541) never changes.

Identity and time

Publication numberOT-2026-000044541 · never reused
Internal UUID01a0ae7c-39d8-770d-966a-d04f1627d203 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044541
StatusPUBLIC

Content hashes

Canonical text19fd6da71b69632998157a3b47c048471183c58af789114418fbc521d52b6904
Markdown192536f66265880d487f5d2ec5929205f2bd0627e7828ab1ac105d5c95d00a82
PDF
Publication pagedf217e3259ce3c363463833dd5c5a3c4d54878e2f8eecf29de27e15d27d3168a
Manifest162fb78ad0bd5bd83bc905d4ea44836f113e4bc92d3acc57dd42418e6b19178d

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
SignatureKkVZtA5x8JwWbY12rMi666UCXA0b3NA+GkMTB28qXhhz55Z27xN8Y6o23K+fStosZ3rdnYI7SCQHf7GYxATnBg==
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

2026-09-17T11:11:43.554868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044541
observed df217e3259ce3c363463833dd5c5a3c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:43.537648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044541/manifest.json
observed 162fb78ad0bd5bd83bc905d4ea44836f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:43.520427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044541/publication.md
observed 192536f66265880d487f5d2ec5929205...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:43.502095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044541/publication.txt
observed 19fd6da71b69632998157a3b47c04847...
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.