OpenTechnical

OT-2026-000047905

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off after 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-2026-000047905) never changes.

Identity and time

Publication numberOT-2026-000047905 · never reused
Internal UUID01a0ae7f-c421-743a-9aaa-83e6def181ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047905
StatusPUBLIC

Content hashes

Canonical text41ffa5b4d4a04b3cb188db14218276b472e3702884b242961cc202183ed4f2af
Markdown1271a42ad8a484e248b432c8a3fc981db24f0ad73dcc341901ba717bb3aec423
PDF
Publication page5c5351adb19a41acaafa318b26dec7636a1c9a5b8108c0db09d683a9c1648be6
Manifest6de1f96a49fc80c67da3ef1c314e7a66c69cc2eacfdd772e8efb298ae25da09e

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
SignatureadO/jH6hv4yIVE8ZJSxwjn7qR72gc18womloRiCawkduGvnQavk7JFrCX04T+rgU7Fle1gOSNpZ6Pf7XnnV6Cw==
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

2026-09-17T11:05:50.820571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047905
observed 5c5351adb19a41acaafa318b26dec763...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:50.801609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047905/manifest.json
observed 6de1f96a49fc80c67da3ef1c314e7a66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:50.784235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047905/publication.md
observed 1271a42ad8a484e248b432c8a3fc981d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:50.765929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047905/publication.txt
observed 41ffa5b4d4a04b3cb188db14218276b4...
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.