OpenTechnical

OT-2026-000027729

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, 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-2026-000027729) never changes.

Identity and time

Publication numberOT-2026-000027729 · never reused
Internal UUID01a0ae72-699a-793e-8315-eb5ba1e39f8d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027729
StatusPUBLIC

Content hashes

Canonical text24c2fe7db96db5526e101c046da2d7bc3c011a96c4983424fbbffb4d0e325101
Markdownd4d89902e52baf0f691df195518b26f4e0f48d03fd10c858140ccf5d731a82e7
PDF
Publication page92bbc6cc184a5b5a7e9f94401d7e51b972d8884b68978453e92ddd6b65f56037
Manifest9b40b845dfb63f4271b3925ad73f4ba1492647c638ff5692d53b18979dac9eea

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
SignaturekI3iObnNdO/KKMxXQ50kBq3gqCajJ4mp34yxz3U9YKx8mcwR6/68PjWO96t8AFxuYCExbTkXo2AvaHHmihAVDA==
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

2026-09-17T11:43:17.172405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027729
observed 92bbc6cc184a5b5a7e9f94401d7e51b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:17.153440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027729/manifest.json
observed 9b40b845dfb63f4271b3925ad73f4ba1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:17.136198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027729/publication.md
observed d4d89902e52baf0f691df195518b26f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:17.117955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027729/publication.txt
observed 24c2fe7db96db5526e101c046da2d7bc...
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.