OpenTechnical

OT-2026-000013198

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, 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-2026-000013198) never changes.

Identity and time

Publication numberOT-2026-000013198 · never reused
Internal UUID01a0ae6d-6fc8-7d17-b1ae-8b44f96fdd64 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013198
StatusPUBLIC

Content hashes

Canonical text263952f848889f4e0b54c23e3d045d96741fcf3bf099bd46fb0d33e32356ef3d
Markdown21c40dd963fc046266685993e4ff6af86fc01bf29c0fc9ac31e53a9d14b258d4
PDF
Publication page8372a3eff8d6109ea4ae333e21ad2f6709c65a4444d8a9f38170cddf0aa9d45c
Manifestfeeb550bd81091223ea7a63eed2badcf15eddbe72783881ca6d7cd132aef5bd0

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
SignatureCb81m7yN/3FNNla4Hl7wX2HIj/JHyOamVR/3r+4Mb2BMKkWvaX9H6Vnm6+RK8r5pMqYOTFYRQNoUaPEhrRYHCw==
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

2026-09-17T12:09:34.993276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013198
observed 8372a3eff8d6109ea4ae333e21ad2f67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:34.966533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013198/manifest.json
observed feeb550bd81091223ea7a63eed2badcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:34.938499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013198/publication.md
observed 21c40dd963fc046266685993e4ff6af8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:34.917571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013198/publication.txt
observed 263952f848889f4e0b54c23e3d045d96...
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.