OpenTechnical

OT-2026-000035683

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, supply line pressure sensor, pulsed blow-off before 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-2026-000035683) never changes.

Identity and time

Publication numberOT-2026-000035683 · never reused
Internal UUID01a0ae76-b4c7-7007-8186-4ec27a472b57 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035683
StatusPUBLIC

Content hashes

Canonical text4af1e86b4070de41034da8408714db80bf3e8e0d67c855996df1e0d146a5cf25
Markdowndbc6ef4aa6d394b47a0c160e701f41874a3980ec570f11fd6295659229eb058d
PDF
Publication page75e92fe210edf1df710d4d2d1e3260d85d9e52d67457d001e68201b7f17b7601
Manifestdbf9fa7d3cb5da4898a45f6e729e43426d6ec0877703f62c16036e17ac745fa9

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
Signatureema+R+kV+eiUxWdmsR62oQIYKedR5+Kyu3lCpmT5YfzL/gBLsdfnQw72Z0/MPUvQzbizZsyFiAM9r5dxNNzMCQ==
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

2026-09-17T11:27:15.401274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035683
observed 75e92fe210edf1df710d4d2d1e3260d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:15.383180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035683/manifest.json
observed dbf9fa7d3cb5da4898a45f6e729e4342...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:15.365088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035683/publication.md
observed dbc6ef4aa6d394b47a0c160e701f4187...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:15.340451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035683/publication.txt
observed 4af1e86b4070de41034da8408714db80...
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.