OpenTechnical

OT-2026-000037169

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off after 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-2026-000037169) never changes.

Identity and time

Publication numberOT-2026-000037169 · never reused
Internal UUID01a0ae77-7741-71e5-aae3-fa98b3fe3343 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037169
StatusPUBLIC

Content hashes

Canonical text8e562dc037267c433be782b2e7180a42f91a7a0aaf733811dc11911660c426e1
Markdown670b8d1f3540ee864eb72664a055c008945f05250cabf60cea2c7fcce3d2e4ed
PDF
Publication paged3b57a097872353cf121aee91a2d9df392fb077c2f89b0393e95561235338409
Manifestc2fd32b28722a76dba5607da1608f8333123ea7d93666a16e1955a106feb03aa

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
Signaturegw9/PzKqCuNKB+P+KE3+nptAoKIHsJsMD/Sr5x4VsfJ81QwiL2Yd6qHfXuDGu64VX137gHDWEGTTdPCEF+7+BQ==
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

2026-09-17T11:25:03.235256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037169
observed d3b57a097872353cf121aee91a2d9df3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:03.219211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037169/manifest.json
observed c2fd32b28722a76dba5607da1608f833...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:03.202025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037169/publication.md
observed 670b8d1f3540ee864eb72664a055c008...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:03.185616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037169/publication.txt
observed 8e562dc037267c433be782b2e7180a42...
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.