OpenTechnical

OT-2026-000027133

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, supply line pressure sensor, sustained 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-2026-000027133) never changes.

Identity and time

Publication numberOT-2026-000027133 · never reused
Internal UUID01a0ae72-3454-700b-88e9-f6d7150cf295 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027133
StatusPUBLIC

Content hashes

Canonical text97b92a36bf2f2836461ac6816f87a940ee5872ab23a691b7275921da9f0fb8ba
Markdown454e6baf811a22618de2a3f463e6c05ff446ef268e6c3a248ccc47f954584dd9
PDF
Publication page7b0f1360602f6f2387f3e3794b9ceb727921d11d324d2924ebb240d81a195739
Manifest5567c9a76e8cd086611c753b4b24ee99f34a05f3ef86c1209d2545fbd3b716bf

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
SignatureeJsYKWB4kSrWrXvFHzTMWy7X3hallcSSb2kb2CA9PmlLrcoNCe6OfPvInDL50HMNEuC54VFJYCkY/4RVJ+zdDg==
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

2026-09-17T11:43:54.538555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027133
observed 7b0f1360602f6f2387f3e3794b9ceb72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:54.522004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027133/manifest.json
observed 5567c9a76e8cd086611c753b4b24ee99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:54.504180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027133/publication.md
observed 454e6baf811a22618de2a3f463e6c05f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:54.487117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027133/publication.txt
observed 97b92a36bf2f2836461ac6816f87a940...
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.