OpenTechnical

OT-2026-000020193

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line 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-2026-000020193) never changes.

Identity and time

Publication numberOT-2026-000020193 · never reused
Internal UUID01a0ae6f-4379-73f7-a34a-f2f99be30914 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020193
StatusPUBLIC

Content hashes

Canonical text07208521d5111f51d565fe7127daaeda1c039e669f85ae7eed5e41acb2811e25
Markdownbe3b42772bf8ce699f3af9fb77e3e33fe9b7c72eee91ceebd71ab011c7c80f1f
PDF
Publication page9b48a5bc29762030c9f0788c837aea0c7b95e5d9918e0fd5f647db7d4103b284
Manifestdd804a9676626a9cf858e5c0e7c13fadfe02973340e8ca47707e6c06c5010a43

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
SignatureGZ0vqBhRMHNK+TxVAypNGTkibX/hbNTx0dr7CYDj8bmPHbe5hiBN2e1F6TII2hoCLwb5dluGEUha7bIB6OAbDw==
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

2026-09-17T11:56:31.393623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020193
observed 9b48a5bc29762030c9f0788c837aea0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:31.374566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020193/manifest.json
observed dd804a9676626a9cf858e5c0e7c13fad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:31.351994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020193/publication.md
observed be3b42772bf8ce699f3af9fb77e3e33f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:31.330038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020193/publication.txt
observed 07208521d5111f51d565fe7127daaeda...
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.