OpenTechnical

OT-2026-000015828

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, pulsed blow-off before 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-2026-000015828) never changes.

Identity and time

Publication numberOT-2026-000015828 · never reused
Internal UUID01a0ae6e-0c4c-7a9a-a97d-b345e91ee0f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015828
StatusPUBLIC

Content hashes

Canonical text026e44594dbc5915d3d455062c1ef970184747c8108b6b6ab173f4fa06103406
Markdown9a66a2d87ed69cdcd08498cdc56318dddd0fdc71e5672fd8aebc77b2b1a45789
PDF
Publication page7bcb04a3174eb98464f9090ce999f51933d95830989849f6d0f0407877750483
Manifest155fbd1b57400ec9efeacb3210280c3e120cb92cc79214ec39e51ce5fe31fcdb

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
SignatureVvvFdLM5FXc6YrE/DDRIqGzGzvkzTr/DA5JTrRD88Zgpk514Ny1D8RGozLTwKvsWFYVirkFct6aMxwuYoYknAA==
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

2026-09-17T12:05:08.828535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015828
observed 7bcb04a3174eb98464f9090ce999f519...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:08.809515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015828/manifest.json
observed 155fbd1b57400ec9efeacb3210280c3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:08.790105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015828/publication.md
observed 9a66a2d87ed69cdcd08498cdc56318dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:08.771552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015828/publication.txt
observed 026e44594dbc5915d3d455062c1ef970...
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.