OpenTechnical

OT-2026-000044640

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, pulsed 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-2026-000044640) never changes.

Identity and time

Publication numberOT-2026-000044640 · never reused
Internal UUID01a0ae7c-39da-7ce0-b7b5-d4be677cc7dd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044640
StatusPUBLIC

Content hashes

Canonical text366b687abe19604e67251aca557ffcacb225964f8131526df2a7ef13dfe764e1
Markdown5afd6fcc3818eaff5946f4e17508db06a0c41ea62d64aa382e1536f380dde5bd
PDF
Publication page8e26117a38642d98a9562d2a98f743e24f34b496ed1bddbf29601e20c99eba6e
Manifest243973b2eb761c3a05208880ff73fb71dced42ecc7614a90fbb1e2ee178f8d27

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
Signature1DtnDa3/a1zx3Cx/TOs2tM8zpT5kmiiZ9Tfu3I3Dbj4xGwxZPfsiR4MVPYeGF0f+lZc2n1pAbzRqVsZMdB0QCg==
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

2026-09-17T11:11:52.975591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044640
observed 8e26117a38642d98a9562d2a98f743e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:52.958836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044640/manifest.json
observed 243973b2eb761c3a05208880ff73fb71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:52.941760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044640/publication.md
observed 5afd6fcc3818eaff5946f4e17508db06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:52.923553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044640/publication.txt
observed 366b687abe19604e67251aca557ffcac...
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.