OpenTechnical

OT-2026-000025337

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, 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-2026-000025337) never changes.

Identity and time

Publication numberOT-2026-000025337 · never reused
Internal UUID01a0ae71-5fa7-7bcd-81c4-6ac116f24126 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025337
StatusPUBLIC

Content hashes

Canonical textc432e4e24ff97b2ee02c4d3b05b96015a4323a71d379386884a561084dcc0e86
Markdown7bec6a0c06014b3de7c4b1d418189cacd6603d5cd793b4177dfc0c0e456d707d
PDF
Publication page9d614738b90ffc67e017f2b9ba7e2a7c7c71b5d2d93d9ce01669ccc7d9320189
Manifest561b8ba69418ae001bb2c0fd47f7ac23c3a88dd432e6bb9c3aaa1cd75a40a98d

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
Signature9T6svBDV/xvmhYtaJH8DfmxsY9kPjUC8daJalL4a6pHMYJQqBJ76PDJwRkj3d00Z9QUf2N4nTdHPol1vDIstBg==
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

2026-09-17T11:47:21.862450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025337
observed 9d614738b90ffc67e017f2b9ba7e2a7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:21.846700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025337/manifest.json
observed 561b8ba69418ae001bb2c0fd47f7ac23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:21.830193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025337/publication.md
observed 7bec6a0c06014b3de7c4b1d418189cac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:21.810366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025337/publication.txt
observed c432e4e24ff97b2ee02c4d3b05b96015...
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.