OpenTechnical

OT-2026-000098358

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000098358) never changes.

Identity and time

Publication numberOT-2026-000098358 · never reused
Internal UUID01a0aea1-e965-76a8-911a-786e49c7ef19 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:41.837875Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098358
StatusPUBLIC

Content hashes

Canonical text42cd7a4194babd85ef37ee671712b44a3d424136323a5375ea068dace9ea3ba4
Markdown7b41c8a9984cc4ef0bbba3060410eb971eca8ac8fb29fb06e181b34ea1cff0a2
PDF
Publication page2da3fddd094b2f15dc6a1108fabfc71fcd0d3474fcdb8c49df21c2dd8667e00a
Manifest151ce31d6f8cdd58cc633f04e1426f4ce5d1b1d4c64d406d64710b51df60717e

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
SignatureCjZsyLYbWEDML1+DNoFHErxYuzSOyOVOQStTw3ed7wL1s9hFAuKYKWMs8lfrKBng4eRe0ErNRy62DxKbRSoMCw==
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

2026-09-17T09:31:34.797613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098358
observed 2da3fddd094b2f15dc6a1108fabfc71f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:34.778141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098358/manifest.json
observed 151ce31d6f8cdd58cc633f04e1426f4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:34.760834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098358/publication.md
observed 7b41c8a9984cc4ef0bbba3060410eb97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:34.743277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098358/publication.txt
observed 42cd7a4194babd85ef37ee671712b44a...
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.