OpenTechnical

OT-2026-000102828

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, plant vacuum 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-2026-000102828) never changes.

Identity and time

Publication numberOT-2026-000102828 · never reused
Internal UUID01a0aea4-858c-7131-8d5d-3587d966ea16 · 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-2026-000102828
StatusPUBLIC

Content hashes

Canonical textd7349e3241ceb8b45ff1531ae46289a8857f1a3e685bbd8c4d758892122f58ce
Markdown4735b6f60fc9fabb33b72bee4518bfb11590970a544f1bdb0218f15918024ee8
PDF
Publication pagee65b483897fe8dd8626bfa435498c7304db85a717e055e4e4581ac9cf662e184
Manifest98f4fcdd67a56f7204161d2cfaaa94f215541f2988c596c067b97b896b6faa4f

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
SignatureFvPcD3/czglaxRHr4eCb8hEGfyYEw7fJPxaE7YCDjBE0/kq8wQxB8SJzBwyY+6VFXIidg1aAhetQMykIpJcHCg==
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

2026-09-17T09:24:21.821457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102828
observed e65b483897fe8dd8626bfa435498c730...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:21.803854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102828/manifest.json
observed 98f4fcdd67a56f7204161d2cfaaa94f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:21.784635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102828/publication.md
observed 4735b6f60fc9fabb33b72bee4518bfb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:21.765883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102828/publication.txt
observed d7349e3241ceb8b45ff1531ae46289a8...
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.