OpenTechnical

OT-2026-000025399

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, single stage ejector, pulsed blow-off before 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-2026-000025399) never changes.

Identity and time

Publication numberOT-2026-000025399 · never reused
Internal UUID01a0ae71-5fa7-7634-b66f-f4a92320b830 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025399
StatusPUBLIC

Content hashes

Canonical text7b1780ba58d8066a19dc89a9fb9a128918b7af233ccd9864709e1d920b13d0a4
Markdown5cd91322ae6c8781b305a811a32c3430f7af1c140b5c1f7e5cb4245065430261
PDF
Publication page35719ed48809af011a28619064fce53abe537b8e358fd390513d05a24010ebc5
Manifestd7eae3175ae5038403fe8a4f185e90a897b5a546efcf7a8e43735ec3d67622d2

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
SignatureDIl9idOG/2gxZpMxp9YwScbPAOt89qoKUAz8AeklxPTXusNzGimWc/+iqS19m2eIB8LJ2/AyRPdc9PNsp4viBQ==
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

2026-09-17T11:47:28.040520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025399
observed 35719ed48809af011a28619064fce53a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:28.023046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025399/manifest.json
observed d7eae3175ae5038403fe8a4f185e90a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:28.005720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025399/publication.md
observed 5cd91322ae6c8781b305a811a32c3430...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:27.988902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025399/publication.txt
observed 7b1780ba58d8066a19dc89a9fb9a1289...
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.