OpenTechnical

OT-2026-000032171

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, 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-2026-000032171) never changes.

Identity and time

Publication numberOT-2026-000032171 · never reused
Internal UUID01a0ae74-f7a6-774f-aeeb-6d235f54765d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032171
StatusPUBLIC

Content hashes

Canonical textba0ac92018a994800a96d0e5b0d2b8e27bec26ab36bbf023666cf7364bf4ab8b
Markdown507b7a3bd806875e8a9f89d9af2b570519e5e9c1666888cf49f255ef5c48cf4f
PDF
Publication paged1f5b7e088397a3f34d1645e3a46deaf0757d394033c4ff1d30d60be6d64f946
Manifest5f3aabf9c33853d6f4fba7f0636894e4ec7abc028c02f87050b1217b7a16a6fd

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
SignatureLKU2DpVMP2Q8QEcI04RE0foIgpT5kalNQHtlV5t+03+HhwvgWHwyGa69anGRiauBhtYUnrxQBoD2C+whkqKzDg==
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

2026-09-17T11:34:30.015924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032171
observed d1f5b7e088397a3f34d1645e3a46deaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:29.997871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032171/manifest.json
observed 5f3aabf9c33853d6f4fba7f0636894e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:29.980977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032171/publication.md
observed 507b7a3bd806875e8a9f89d9af2b5705...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:29.963394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032171/publication.txt
observed ba0ac92018a994800a96d0e5b0d2b8e2...
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.