OpenTechnical

OT-2026-000042922

Publication integrity record

Four pad foam vacuum gripper, four 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-2026-000042922) never changes.

Identity and time

Publication numberOT-2026-000042922 · never reused
Internal UUID01a0ae7a-c0d1-7612-9e68-5791d1819dfc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042922
StatusPUBLIC

Content hashes

Canonical textf21302276a8cab347e2450c5c3abca4afe72ae634ae5d6f4237f9b8905432f35
Markdownf72b975b722669fdbbc0d530b40b5c544da08a1e165f73fa7276d3300c2715a4
PDF
Publication page06ade7b042133ca311b2af153ee4a378a3510e7aea921ced97bea3049dddbeed
Manifestad23e8f9e20d98bac0396627c0475943daecfa87d3a28d60dffbda0c66528227

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
SignatureZDvY79dnVfP6aX41Afvsznjr8T+S8B/qhvc2a2eQuORMOdjakmhrr5cakO4Fqj1bniKqkPls2mrdJzbMpDt4DQ==
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

2026-09-17T11:15:26.830843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042922
observed 06ade7b042133ca311b2af153ee4a378...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:26.808093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042922/manifest.json
observed ad23e8f9e20d98bac0396627c0475943...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:26.787497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042922/publication.md
observed f72b975b722669fdbbc0d530b40b5c54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:26.763123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042922/publication.txt
observed f21302276a8cab347e2450c5c3abca4a...
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.