OpenTechnical

OT-2026-000050915

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000050915) never changes.

Identity and time

Publication numberOT-2026-000050915 · never reused
Internal UUID01a0ae82-c7b3-7ab7-b5bf-53b0b9879e7a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050915
StatusPUBLIC

Content hashes

Canonical text9e5abc0154f842d367def47bfb9578c4d3833680cd983d75a41ca43fda7ee141
Markdown1dffbf7bed0e645d4e3eaa38e336408b49b06704bc402c5b3365270a16bba3ca
PDF
Publication page5be439f127fc10546fe0f3e8891fc003aa1ed0231dcc8c510504c4bd10c10a94
Manifest64e90f9615b02dc692cb3d14ff24bdf601a0ebf4d800e9f56ed5db3fdb0cfd44

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
Signature+OdczxRITD1zX6j2ilHmc7+Ov7tR9r69nHvjiq/DdttT+023FQAyx4pZW65/fiMRfdt6ohn8GGJ3dkO996SIBA==
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

2026-09-17T11:00:40.187180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050915
observed 5be439f127fc10546fe0f3e8891fc003...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:40.157453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050915/manifest.json
observed 64e90f9615b02dc692cb3d14ff24bdf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:40.154750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050915
observed 5be439f127fc10546fe0f3e8891fc003...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:40.135087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050915/publication.md
observed 1dffbf7bed0e645d4e3eaa38e336408b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:40.130054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050915/manifest.json
observed 64e90f9615b02dc692cb3d14ff24bdf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:40.107531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050915/publication.txt
observed 9e5abc0154f842d367def47bfb9578c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:40.106794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050915/publication.md
observed 1dffbf7bed0e645d4e3eaa38e336408b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:40.082361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050915/publication.txt
observed 9e5abc0154f842d367def47bfb9578c4...
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.