OpenTechnical

OT-2026-000038924

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single 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-2026-000038924) never changes.

Identity and time

Publication numberOT-2026-000038924 · never reused
Internal UUID01a0ae78-769f-7535-8164-0c928f5f5e84 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038924
StatusPUBLIC

Content hashes

Canonical textc843d4e1c9385b219ddd63b5bc5cd31338dcbf9575424ddd391e4174b72458f4
Markdown4ff4073cb615c84f951e20c5c9f324522639fd1590d49755fab66eec62d020f6
PDF
Publication page8a8fce8f131313f5199cdca4672d6766f6fbc70ad32306c9f1cd8573dd68061e
Manifestd675575af0e00af50ca1d38684d1d254b05210f050e337b9cfa4f37b276d4db8

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
SignatureLhRI0oBW1VLQcESrowVDov8jqASXUoQiyiPvwuMVFbivsi6C77WNgQ/hmCXI9t4QZQBqhThNP76U3j5sYrc7BQ==
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

2026-09-17T11:21:36.041471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038924
observed 8a8fce8f131313f5199cdca4672d6766...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:36.023192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038924/manifest.json
observed d675575af0e00af50ca1d38684d1d254...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:36.005819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038924/publication.md
observed 4ff4073cb615c84f951e20c5c9f32452...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:35.989145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038924/publication.txt
observed c843d4e1c9385b219ddd63b5bc5cd313...
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.