OpenTechnical

OT-2026-000047704

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump 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-2026-000047704) never changes.

Identity and time

Publication numberOT-2026-000047704 · never reused
Internal UUID01a0ae7f-c41f-72bc-9c4f-8ddc6f926e9e · 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-2026-000047704
StatusPUBLIC

Content hashes

Canonical text748bc32ae58db6a7faa9d161942fcc5eabab43eb729c80f42b606d6541d646ea
Markdownf533490797e6a3dcbede570f154a230a002fcd139f32c6d276c69a8627143394
PDF
Publication page68855e7a5d733a31147a9d078357ced3a8619de617efc5c21c11f3f373bd844d
Manifest3ea39aadc8d9eb8d6348395285f91eaef7de167f5732cf9a43b446360900ce69

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
SignatureXJ31jm6qygtUrJKIbCCg9kZCpVjeWqCR3Byo6CPdwUhpJoqHyiOe0sGexKKPZ3ihFZ7OMEZWBPY2maFcMwNnAw==
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

2026-09-17T11:05:33.845871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047704
observed 68855e7a5d733a31147a9d078357ced3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:33.827390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047704/manifest.json
observed 3ea39aadc8d9eb8d6348395285f91eae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:33.711738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047704/publication.md
observed f533490797e6a3dcbede570f154a230a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:33.691938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047704/publication.txt
observed 748bc32ae58db6a7faa9d161942fcc5e...
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.