OpenTechnical

OT-2026-000019467

Publication integrity record

Two cup vacuum gripper, two zone face, pump fed, pulsed blow-off before set-down

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-2026-000019467) never changes.

Identity and time

Publication numberOT-2026-000019467 · never reused
Internal UUID01a0ae6e-f393-7341-b4fd-5b58c0ca36c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019467
StatusPUBLIC

Content hashes

Canonical textd128fa84f67e8692d6b1d4152f8ad79bb64f564684ee7089b2147813c5008d89
Markdown043d3456003be20c2352b86fba520111c9edadb97bf1bf4d7aa2bb360924200d
PDF
Publication pagefb5a187aa77c8256a86bb38fa05c22ffff40da705f87ee9b9fa4587d250853a3
Manifest48adb112b12a214b471f744942fd03bb130f5ba0e7cbe603d11d79ddee9a1106

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
Signatureq6/NZWfnW1v0DPGrrfqwJHfDOCvyNan11KfzTxEnhSZ56L/tls1HevEh2iEBkJhhbydIBjpFwwLI35DR5+a0Dg==
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

2026-09-17T11:58:52.366587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019467
observed fb5a187aa77c8256a86bb38fa05c22ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:52.347457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019467/manifest.json
observed 48adb112b12a214b471f744942fd03bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:52.328689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019467/publication.md
observed 043d3456003be20c2352b86fba520111...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:52.310200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019467/publication.txt
observed d128fa84f67e8692d6b1d4152f8ad79b...
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.