OpenTechnical

OT-2026-000095246

Publication integrity record

Four cup vacuum gripper, four zone face, pump fed, pressure sensor per zone, sustained 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-2026-000095246) never changes.

Identity and time

Publication numberOT-2026-000095246 · never reused
Internal UUID01a0ae9f-8f70-7d89-b7ba-53e20c451da6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095246
StatusPUBLIC

Content hashes

Canonical text99c25170680d2f96692cfa6a31e77f74dcf9a0f931dae2145329fa8c3c272406
Markdown98a3f5044591d28d36921e81ddd00f983a262f98a1bb2c7ba4dceed816674f1d
PDF
Publication pagef50d3b76e96dd05781c743026a62f4bfbe623f9b8a2bcd417b2e733242ff0679
Manifeste268808ac234371ddf8c616abde7650c9af8c709e1b4e89f2604c6d770eb5d87

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
SignaturePsO2XuhQTwvT5UDiN50DwjDtYjxGP59m3J/YIDUXMdtLLTu3b2o54isMsOxs5FIFOMyJImkmXOR1HjYdi5PnBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:36:34.312741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095246
observed f50d3b76e96dd05781c743026a62f4bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:34.293638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095246/manifest.json
observed e268808ac234371ddf8c616abde7650c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:34.275979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095246/publication.md
observed 98a3f5044591d28d36921e81ddd00f98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:34.259272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095246/publication.txt
observed 99c25170680d2f96692cfa6a31e77f74...
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.