OpenTechnical

OT-2026-000039278

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off after 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-2026-000039278) never changes.

Identity and time

Publication numberOT-2026-000039278 · never reused
Internal UUID01a0ae78-9674-7cda-a544-8067b27ddcfc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039278
StatusPUBLIC

Content hashes

Canonical textc0e7dcb2f56fe662ea45c9a85a7f295c6185d78c6fccfbbc56599acbd228c6bf
Markdown2bf1aa83b3af0a7667df1ff87a6aa2d4513acc9ad8b7226f1cd9fb70678bb4f3
PDF
Publication pagefd9060a56d87a9172d70baf99150b2ccf6bbc95df89330dbc7679ee992094286
Manifest523e14557b8effe71178de63bd58f12943bae484a57f76487fed548be09876a0

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
SignatureMKDy01y9ge2fokf+VDmC46hChOBCx0j9faeNF7vDMW52olYz9s0vwrZtxcxE1+1Y2kQuTj7xeFE/x04hq6xcAQ==
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

2026-09-17T11:20:50.924131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039278
observed fd9060a56d87a9172d70baf99150b2cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:50.905652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039278/manifest.json
observed 523e14557b8effe71178de63bd58f129...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:50.889204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039278/publication.md
observed 2bf1aa83b3af0a7667df1ff87a6aa2d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:50.869977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039278/publication.txt
observed c0e7dcb2f56fe662ea45c9a85a7f295c...
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.