OpenTechnical

OT-2026-000041209

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, sustained blow-off after 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-2026-000041209) never changes.

Identity and time

Publication numberOT-2026-000041209 · never reused
Internal UUID01a0ae79-b143-7da8-a355-c6e95d12dbb0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041209
StatusPUBLIC

Content hashes

Canonical text2ac008de32ff68001e8797936538e11b0fc9275ce663b6d0b874393c37650cfa
Markdown30474d9a3d3f04650db29473e20a90d8cd42323dd772592ac8a9f139e947f61b
PDF
Publication pagec2f8bf3cba1f83795c43d3a443c635eb4b1baa8ab4d0f14fccc3fd72ee3dd35a
Manifest722349546e95d350d6156379b05c6d9f93742c30cd536d5f9a6a693384e30805

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
SignatureuHQzE4KkHtcojUzWS9iSMUO7o7RiCQnbumk9mM6usmVUTcaopIWjScegduMu6/RCbeg9BOpHyyq9+j32lEPHDA==
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

2026-09-17T11:17:10.053078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041209
observed c2f8bf3cba1f83795c43d3a443c635eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:10.031741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041209/manifest.json
observed 722349546e95d350d6156379b05c6d9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:10.014544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041209/publication.md
observed 30474d9a3d3f04650db29473e20a90d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:09.996207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041209/publication.txt
observed 2ac008de32ff68001e8797936538e11b...
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.