OpenTechnical

OT-2026-000041953

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three 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-2026-000041953) never changes.

Identity and time

Publication numberOT-2026-000041953 · never reused
Internal UUID01a0ae79-e8a7-7362-9537-7b8d9def8dcc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041953
StatusPUBLIC

Content hashes

Canonical textd3a87e2969f2f8b40256afb5c5a9f2dc2ccdd417fa5852cab39fb0a83122281a
Markdown9e1d399b787133585879af9f176b95ba72d2bc806a7c64170e281394db01964f
PDF
Publication page6f8103d84569de3ba4f4282c187b9079ed4acc660b24538466aba668b0dfb28b
Manifest0398e197f2fb4ba9bd5f2471f7fd23802dc78155bae4f004367c33ecd4330f21

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
SignatureMi4GBXSzsQ/7wMaEpU4hjQpvuA3aO23bG4gHMGSL/bE1nwvEvIn/yxMFLhXsVJQIJFi0/Oa65UmlNbQ2HSTrBg==
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

2026-09-17T11:16:50.639215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041953
observed 6f8103d84569de3ba4f4282c187b9079...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:50.621989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041953/manifest.json
observed 0398e197f2fb4ba9bd5f2471f7fd2380...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:50.605283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041953/publication.md
observed 9e1d399b787133585879af9f176b95ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:50.587051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041953/publication.txt
observed d3a87e2969f2f8b40256afb5c5a9f2dc...
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.