OpenTechnical

OT-2026-000017435

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two 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-2026-000017435) never changes.

Identity and time

Publication numberOT-2026-000017435 · never reused
Internal UUID01a0ae6e-76c9-78e1-8a71-02c6d22b6e3e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017435
StatusPUBLIC

Content hashes

Canonical text5c4bd4799f5371f1d105afdd653a3413a63bb9e74f5fb08b8635e97c00b1d802
Markdownf5318b66fb2fcea797626f50cdd9210aaf3b7ca33a016c17279143257bc5a323
PDF
Publication page61a1c74df5befd01eff80a028a6ff15ad4863e190cd190c6cd55d89b6cf7dd8b
Manifest70f96fcf09254f38fb36d972eaabbb2a672fe13d73a328c1102173d55b946f81

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
Signature4R87z9u53ziqm/rNxVFCPhqZ7SFXXQVQco8cPS0pgDrQtcRBJmJR9z6By+aaVJo+JkZs+b09VWezgtLwZWHUAA==
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

2026-09-17T12:02:34.111729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017435
observed 61a1c74df5befd01eff80a028a6ff15a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:34.094614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017435/manifest.json
observed 70f96fcf09254f38fb36d972eaabbb2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:34.077156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017435/publication.md
observed f5318b66fb2fcea797626f50cdd9210a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:34.060258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017435/publication.txt
observed 5c4bd4799f5371f1d105afdd653a3413...
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.