OpenTechnical

OT-2026-000019833

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, pulsed 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-2026-000019833) never changes.

Identity and time

Publication numberOT-2026-000019833 · never reused
Internal UUID01a0ae6f-1fb5-757c-b728-249e1bc3e3f1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019833
StatusPUBLIC

Content hashes

Canonical text833ec62b011c35db6639b5383f85eb39b4cd2fd19fc91b841e15d4857a2e6741
Markdowne352eecd8ff86d5417cf35e9ce6b37dfaacac611ea3d729ff2f9eb456fa999ea
PDF
Publication page3f8d7d480b8e0f5b56a22a7a637f55a7435040cfe0fc2668193ba8f9e8d22794
Manifeste8765e3e28c8f7e29c7b7de2f89b91f1813e961f0138e1ed4717e17d3346ded0

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
Signature9P7tK+pI9MZp9IxXUTCFwRBx7DF5fzCdpdBJ5/aUVhIho/cq1r1+PSToOWQCsxcprn272ltXgR3fUyThpRsbDA==
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

2026-09-17T11:58:01.638438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019833
observed 3f8d7d480b8e0f5b56a22a7a637f55a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:01.619976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019833/manifest.json
observed e8765e3e28c8f7e29c7b7de2f89b91f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:01.600568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019833/publication.md
observed e352eecd8ff86d5417cf35e9ce6b37df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:01.583087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019833/publication.txt
observed 833ec62b011c35db6639b5383f85eb39...
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.