OpenTechnical

OT-2026-000023242

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, 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-2026-000023242) never changes.

Identity and time

Publication numberOT-2026-000023242 · never reused
Internal UUID01a0ae70-7267-795c-ae4f-03b93f8ec954 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023242
StatusPUBLIC

Content hashes

Canonical text429ab1f623b698d35ac143f4913b2488ce98a44f390d62e2b6a0fe88efe678ca
Markdown865b43c33d87813174df7a56b3dc7f0da7c32a8d6c4ddaf5174606b8da8dadea
PDF
Publication page1f560d842e57498170f112088164da79492de35a69155c02e2ce54d59bb28686
Manifestffc13b6bbb6af6ca14396c6f37425f373f859e8c3634620afb447b8bbd41e2cf

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
SignatureK9dIEDLoZ7P3eSx3I5EfbXUqTwE3DpyYaCV6i3t60dm3MjNeM42u4nekIWVOrR2A3J8XSxu8p2Lup4oio8IIDA==
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

2026-09-17T11:51:18.342969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023242
observed 1f560d842e57498170f112088164da79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:18.325641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023242/manifest.json
observed ffc13b6bbb6af6ca14396c6f37425f37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:18.306773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023242/publication.md
observed 865b43c33d87813174df7a56b3dc7f0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:18.288306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023242/publication.txt
observed 429ab1f623b698d35ac143f4913b2488...
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.