OpenTechnical

OT-2026-000027961

Publication integrity record

Six cup vacuum gripper, six 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-2026-000027961) never changes.

Identity and time

Publication numberOT-2026-000027961 · never reused
Internal UUID01a0ae72-a51f-7ee1-abd3-017b048366ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027961
StatusPUBLIC

Content hashes

Canonical text0ee6ebdacac3edf5b60f6e5abe92c7f35bf8c994ec00b261d1bb64f6622b42ed
Markdown87228dd3b9d9d83f457e0d6bb3768e518a69a16d95d55eb2d61b73b91c78adbe
PDF
Publication page16b53b18d91eeab69b98deb23b75f3b3721a2ed2a7b910b8eef49c7e0beea4e9
Manifesta72a5bec453a93b0718f7b716d4a2389c1c9d46b765781708aff693084d3a870

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
SignatureyBBTPzjlDVyEHnTVRQss6MUr8POz3bovpabhuQLc34o1C4VIsC7l6uLGLMPvv9Z7aMpWwvgWyl+7GdFaFnDPDA==
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

2026-09-17T11:42:09.127946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027961
observed 16b53b18d91eeab69b98deb23b75f3b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:09.110006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027961/manifest.json
observed a72a5bec453a93b0718f7b716d4a2389...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:09.092531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027961/publication.md
observed 87228dd3b9d9d83f457e0d6bb3768e51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:09.075457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027961/publication.txt
observed 0ee6ebdacac3edf5b60f6e5abe92c7f3...
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.