OpenTechnical

OT-2026-000047775

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, 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-2026-000047775) never changes.

Identity and time

Publication numberOT-2026-000047775 · never reused
Internal UUID01a0ae7f-c420-71fc-b43f-8e80f99a6a18 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047775
StatusPUBLIC

Content hashes

Canonical textcb2b1cc20ae950ae0fe8269ca02ed7900a618e4879de0e4d6e52e3d965788cb5
Markdown3a9ccdfd03403704133a89053c4a9497da767f9526c242c9b655d899d8e96654
PDF
Publication pagee714b547890fdd0159a0b2de6d9dbf172bb99e8913879f42d31db9bbdc3c6725
Manifestf2335c96a3f3b1cf229b37adf77d99c61b6d343a108fa2ca7ec4fa215746efd1

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
SignatureN4A+ZTJEaE/zlF+vWVuejtwg5ql+a2/zYLNOdsM+Ox04z8DlrNthF8UcZvPkSB4uG6TfGyFIb6qlBZ+7yl+4Dw==
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

2026-09-17T11:05:40.118055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047775
observed e714b547890fdd0159a0b2de6d9dbf17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:40.098395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047775/manifest.json
observed f2335c96a3f3b1cf229b37adf77d99c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:40.080582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047775/publication.md
observed 3a9ccdfd03403704133a89053c4a9497...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:40.061795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047775/publication.txt
observed cb2b1cc20ae950ae0fe8269ca02ed790...
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.