OpenTechnical

OT-2026-000042919

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off before 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-2026-000042919) never changes.

Identity and time

Publication numberOT-2026-000042919 · never reused
Internal UUID01a0ae7a-c0d1-729b-9c1a-33784ab71611 · 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-2026-000042919
StatusPUBLIC

Content hashes

Canonical text13b3e990ae1ce66dfdc800f6c38bb15fcd20f2b56d0ff0cb24f7139b20b91cfe
Markdown34198161723fce8d29bb30653acbc25fa69e0dfd68d7dcf80ec418ba1cd5e5f7
PDF
Publication page2286032dc7213f6e2edaef68b70b71d0074401900492cd72655a9d298eebdb56
Manifest5497fd9cc0fe3645ff4654094b420ba541b1633b4dbad10c52daca5bbf1f011c

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
SignatureZhux1Pc82R8vtUXzXIb/u/fvlmXd6+dAP7igQE8BVATSH+uKpsZMABf8ODXYNZvawR8hQDYjOeIBI9SiyEWxDA==
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

2026-09-17T11:15:26.554248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042919
observed 2286032dc7213f6e2edaef68b70b71d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:26.531868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042919/manifest.json
observed 5497fd9cc0fe3645ff4654094b420ba5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:26.512067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042919/publication.md
observed 34198161723fce8d29bb30653acbc25f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:26.490636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042919/publication.txt
observed 13b3e990ae1ce66dfdc800f6c38bb15f...
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.