OpenTechnical

OT-2026-000102362

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, pump fed, pulsed blow-off after 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-2026-000102362) never changes.

Identity and time

Publication numberOT-2026-000102362 · never reused
Internal UUID01a0aea4-8589-7031-84e3-64130a3ca977 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102362
StatusPUBLIC

Content hashes

Canonical text713306e2ab89c6985696cceba0407b9b253b9414f6ebf1ad428a26d3f3e63aa4
Markdown957c2ef96fd2d497ebc32a84c4b5c612d942495e2aa5da20702625e870d55fda
PDF
Publication paged5dc1756444d78a151dbfa94dd5db6009a7443f3c05852977db27344b61fe753
Manifest637c376531d9dc1bba3948fe1f72d78548223eb62b77585b6fbeaeddd0c25884

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
SignatureMin8M7dJCYfUAeS1OntcqT1lBLLU2kV9d0T33pRwlwHMXJQ7mLNd8+2REzI5oAQitBTkfCTtk8fRklvqXtpCDQ==
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

2026-09-17T09:23:41.990932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102362
observed d5dc1756444d78a151dbfa94dd5db600...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:41.971610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102362/manifest.json
observed 637c376531d9dc1bba3948fe1f72d785...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:41.954118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102362/publication.md
observed 957c2ef96fd2d497ebc32a84c4b5c612...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:41.936131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102362/publication.txt
observed 713306e2ab89c6985696cceba0407b9b...
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.