OpenTechnical

OT-2026-000030652

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, three stage ejector, sustained 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-2026-000030652) never changes.

Identity and time

Publication numberOT-2026-000030652 · never reused
Internal UUID01a0ae74-3fb3-7c41-bee6-7f7e26682f13 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030652
StatusPUBLIC

Content hashes

Canonical text659505eb737aebca5646fa03b2d4a9c7d1426f2fce2b50dc651f253de39adbde
Markdown51d8c85c1d00a06ecbd027791025461781bae5f49b8478e2608a69f872ab260d
PDF
Publication page694c218695ed337172b17e99d0849965626a24d1decf385e9dcd63fa3f98945f
Manifest4e2d158d1d14cf8ca566e618582cd8d1e4cfbc5cbd1833ea5987416522c7819c

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
SignatureUMyxDCZuzFOnw+Ux1Hnh/nnmb37/VuItuNKcE/MF2lYkA4MoN17940nLk3OalxgkEkDdtX8FftzCWYh2sqIVBg==
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

2026-09-17T11:36:32.174679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030652
observed 694c218695ed337172b17e99d0849965...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:32.156503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030652/manifest.json
observed 4e2d158d1d14cf8ca566e618582cd8d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:32.138627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030652/publication.md
observed 51d8c85c1d00a06ecbd0277910254617...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:32.116341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030652/publication.txt
observed 659505eb737aebca5646fa03b2d4a9c7...
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.