OpenTechnical

OT-2026-000103145

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, pump fed, pulsed 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-2026-000103145) never changes.

Identity and time

Publication numberOT-2026-000103145 · never reused
Internal UUID01a0aea4-be3e-7a24-86a8-a6eb069957d0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103145
StatusPUBLIC

Content hashes

Canonical textc57f2a58a7288fb3c32af11bbbdac561df5cb348dc38c281763ab1649342c6e3
Markdown6f81938ada944a23ea646a8ed73d8652c79b36a99bcdea7407b600676fa10835
PDF
Publication page800a9ca5a71910b5b0cd66e2b0c92b22c891d33584a609e5015c8e22fa5b8927
Manifestefa783fa01b987fd4b06390a58003320f35148ab14c623f4be843107ad4b005a

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
SignatureNPImaTrheKrj97yXcwDcuKRjN8IqaXE5zThOUPcgV68GMOdI9u3PrC6EzuWMSCKO9Vkck9IuVqOHQco2qcZdDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:21.297196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103145
observed 800a9ca5a71910b5b0cd66e2b0c92b22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:21.279781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103145/manifest.json
observed efa783fa01b987fd4b06390a58003320...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:21.262028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103145/publication.md
observed 6f81938ada944a23ea646a8ed73d8652...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:21.242955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103145/publication.txt
observed c57f2a58a7288fb3c32af11bbbdac561...
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.