OpenTechnical

OT-2026-000041570

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, sustained blow-off after set-down

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-2026-000041570) never changes.

Identity and time

Publication numberOT-2026-000041570 · never reused
Internal UUID01a0ae79-e89f-7c84-88a3-f89200aa36a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041570
StatusPUBLIC

Content hashes

Canonical text562d4ec726f4287d4c10e7eca25c41b65a36ced65c502fafaa46eef2a70d0297
Markdown274b03d2b086a4a95dae647ccfffc258ff0751d7fcfe072d57cc44a8ba95d995
PDF
Publication page85ad7f03445b4eb0cd692170fabd766d6c29abd0966ff768ddf14d0561ff0693
Manifest2d4a78aa238870f374549ceb5921b2acd1a2aebaca2beb96e4df6c74f9eb675e

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
SignatureQQbqByNijfssBbLhDStNs1cEM/5sUdUSuNnbktgzffXpi4cnvQCb8FnKMrGx6GHqszkbot29pkRhRLBbTtOgBg==
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

2026-09-17T11:16:21.133128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041570
observed 85ad7f03445b4eb0cd692170fabd766d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:21.117200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041570/manifest.json
observed 2d4a78aa238870f374549ceb5921b2ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:21.098366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041570/publication.md
observed 274b03d2b086a4a95dae647ccfffc258...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:21.081567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041570/publication.txt
observed 562d4ec726f4287d4c10e7eca25c41b6...
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.