OpenTechnical

OT-2026-000020082

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump 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-2026-000020082) never changes.

Identity and time

Publication numberOT-2026-000020082 · never reused
Internal UUID01a0ae6f-1fb8-7c75-bb10-03e26c2d1b78 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020082
StatusPUBLIC

Content hashes

Canonical text5287b7c9c5c4883d7c256048bdcdaaff839eb3e908c2f24bed4095bf3726d187
Markdown2495fe1bd77bdd1ded3aef5a2f5f5ee4270137de0e76a25c34baea5f76420468
PDF
Publication pageefde59cdf49f61fa76d2ae26a7cefa17df50ba78e3aceff7172b97eb65c89563
Manifestff347741d4fc9f70341132a8b2d7c6e23d101c513657c1e030d2815d24a7e5fa

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
Signatureq61T7oaSYTPBQnFtGDEseyN5aNnKykX7z358b7PDH+jU7BD/a1nsTTK2TS6rRgf/3h5sBlnaZSJanavi9ZU2Cg==
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

2026-09-17T11:58:19.915006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020082
observed efde59cdf49f61fa76d2ae26a7cefa17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:19.896001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020082/manifest.json
observed ff347741d4fc9f70341132a8b2d7c6e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:19.877544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020082/publication.md
observed 2495fe1bd77bdd1ded3aef5a2f5f5ee4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:19.857255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020082/publication.txt
observed 5287b7c9c5c4883d7c256048bdcdaaff...
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.