OpenTechnical

OT-2026-000010039

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, vented 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-2026-000010039) never changes.

Identity and time

Publication numberOT-2026-000010039 · never reused
Internal UUID01a0ae6b-cb79-7c6e-b0de-458557eef927 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010039
StatusPUBLIC

Content hashes

Canonical text55ab9cc26fb77fe7712235dff17a5ee12587ce9cf9ba775c589b7d3341fa509d
Markdown87f63e443c69fab2b7efcee4e2244c2c110e0bffed2ff8521b874fa40b0580cc
PDF
Publication page8ffc6e4af410c711e2a430c656125e5f152727c31dc2620c955dc2c608cc928a
Manifest461bb1fee0a614b1c5d433852387b9bd41e0a9b1136a13e7cf645ca5d39f7d6b

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
SignaturevjyFSCbPdaS0cAELekThQzuAPJ4lVzlCHbc2aodrlFhQAyOgHjLSG4d+p7nhYxT9L1xYdpW2UsXuBn7EsRxhDw==
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

2026-09-17T12:16:06.249210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010039
observed 8ffc6e4af410c711e2a430c656125e5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:06.230306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010039/manifest.json
observed 461bb1fee0a614b1c5d433852387b9bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:06.211706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010039/publication.md
observed 87f63e443c69fab2b7efcee4e2244c2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:06.192060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010039/publication.txt
observed 55ab9cc26fb77fe7712235dff17a5ee1...
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.