OpenTechnical

OT-2026-000092043

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, two stage ejector, 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-2026-000092043) never changes.

Identity and time

Publication numberOT-2026-000092043 · never reused
Internal UUID01a0ae9d-43bc-7a2e-981e-6d1eda78bbb8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092043
StatusPUBLIC

Content hashes

Canonical textceeb1f03ce9a4ee993ec83854516d9475ebdf1856e756b4e310084e4c7818f13
Markdown803eca105638caae519e084fda5c49a300ba258aee7f0bbc7d3fd92467fa7f88
PDF
Publication page4e327cf6828e72e8003ba725c76b7f8abd73263e8e486b8dc81ac6654b370a50
Manifest14741af48ee88bb3c8d65a6f66889ba48847132061b743c169a5c5ad126e009a

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
Signaturex0Hz9OwFAd9MEl8Pai0ed3SfBZdkoG8lHiZNGcyP7mLJj5YQEOuyo9Bgefa4SloWNfpt2O99F5C1T4JwIxnNAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:43:08.160426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092043
observed 4e327cf6828e72e8003ba725c76b7f8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:08.143953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092043/manifest.json
observed 14741af48ee88bb3c8d65a6f66889ba4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:08.126512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092043/publication.md
observed 803eca105638caae519e084fda5c49a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:08.109843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092043/publication.txt
observed ceeb1f03ce9a4ee993ec83854516d947...
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.