OpenTechnical

OT-2026-000043953

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, sustained 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-2026-000043953) never changes.

Identity and time

Publication numberOT-2026-000043953 · never reused
Internal UUID01a0ae7b-d678-7156-bc11-b07940eb89e3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043953
StatusPUBLIC

Content hashes

Canonical text85c291e510144fae34f5a561ff1a3908866115b1096c8b1c8e43137a91302155
Markdownfda000bacb44ba6c59baf8c95743863f158105e316625e0352191af08ac2217a
PDF
Publication page09f025946e5c7265160600967b796789c4ae6bb04c2a74fcfdbda72fbe99cc3a
Manifest602f7a401b0cdbd0657eeee70063af21137b6ad5ee8f35f2f89d6b103c31d811

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
Signature41ZyIwbrY4/WXmVgK3p/grSGbofGVBAVgwz5H2Nc0XKVOSVIMyeF+DV6wt4zMnytYXzqbbpbJaT8s4KXKZ+SAA==
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

2026-09-17T11:12:18.523637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043953
observed 09f025946e5c7265160600967b796789...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:18.504758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043953/manifest.json
observed 602f7a401b0cdbd0657eeee70063af21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:18.485560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043953/publication.md
observed fda000bacb44ba6c59baf8c95743863f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:18.467165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043953/publication.txt
observed 85c291e510144fae34f5a561ff1a3908...
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.