OpenTechnical

OT-2026-000023194

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, 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-2026-000023194) never changes.

Identity and time

Publication numberOT-2026-000023194 · never reused
Internal UUID01a0ae70-7267-73ec-b906-613caa686bfa · 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-2026-000023194
StatusPUBLIC

Content hashes

Canonical text8b83e5d31f602fded4f52344524a8c31a5fbcfecc58060b94a7a59a0c66743ba
Markdownac5a9e47c2d19f1ea64c21bebbd9ec52a3f7d8bad53e2eaec4f527cd9d91abd3
PDF
Publication page0a5f1bf61caeab6baf943a1bc4b84bb974a08ae2a4fdb205f5a2b1f14a1e6324
Manifesta591a037c148307fa3dff6d08b7542eaece3d4e45067e21a291232487f137ba0

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
Signature2xLXIW3D5F6RNhexiiPYy9RYfXz0xKQOACuB1L+O3Pbrsa4JrS31fX/d3ei2kJZW97CCprmGB8pSA/4Z9fd5Cw==
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

2026-09-17T11:51:08.812205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023194
observed 0a5f1bf61caeab6baf943a1bc4b84bb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:08.796124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023194/manifest.json
observed a591a037c148307fa3dff6d08b7542ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:08.775360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023194/publication.md
observed ac5a9e47c2d19f1ea64c21bebbd9ec52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:08.755875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023194/publication.txt
observed 8b83e5d31f602fded4f52344524a8c31...
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.