OpenTechnical

OT-2026-000096428

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000096428) never changes.

Identity and time

Publication numberOT-2026-000096428 · never reused
Internal UUID01a0aea0-a4a9-7709-b080-9ec31d14893d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:18.648440Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000096428
StatusPUBLIC

Content hashes

Canonical text340a1880b12ca9e7200bbab0c68bbb41825fa99b359acd220fb1ee584a92e4b7
Markdown3832b7a83863c7cf1cc060803f8c389e8fc79621e122f294cc8ee54590118489
PDF
Publication page8d4116649b0c2b0363a782346fb1f1d88a582fbca97ac2b5190c55cba46eaa39
Manifest730d3f1e2fffc2c17357c5d422463d209262696e6915e3d8168d47716b588339

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
Signaturebq59wifTFV2E5mbLWZ2IfaYtlk0vU58bzKt+FkfQvC2o/PtybNzn1H6k7wTw+Q41QSWPsBql5Gie8hXwNVhmDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:33:43.867471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000096428
observed 8d4116649b0c2b0363a782346fb1f1d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:43.848542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000096428/manifest.json
observed 730d3f1e2fffc2c17357c5d422463d20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:43.830994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000096428/publication.md
observed 3832b7a83863c7cf1cc060803f8c389e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:43.812702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000096428/publication.txt
observed 340a1880b12ca9e7200bbab0c68bbb41...
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.