OpenTechnical

OT-2026-000040345

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, 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-2026-000040345) never changes.

Identity and time

Publication numberOT-2026-000040345 · never reused
Internal UUID01a0ae79-2700-7a2d-a8ba-0601ee99a2e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040345
StatusPUBLIC

Content hashes

Canonical text3341aa46e80c8306fd7f354e0c0f180f7e2288ec153cc53c1111e8dd8430aa12
Markdown9f6657e19568154892a6e1f1e8c3268199fa64b7b3fd272ce2a3756b30627b5e
PDF
Publication pageb550e696fc4115179d9aec2b7b3c9cc728e1c23f08aeaba87ff5a98849cebe75
Manifest10cef89094c8da7e0082aaf5528699fbbb9fabc00fc0da0e2bac9200439cc3f2

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
SignatureHQTHIQiicc5ZkEWvLocq3RHy6jFAqbNIT8HYBEq16xhq5NzmyGRlY0T7yr68Latx4N7c+9WuYbsj6DZIXKowDg==
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

2026-09-17T11:19:21.269378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040345
observed b550e696fc4115179d9aec2b7b3c9cc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:21.251794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040345/manifest.json
observed 10cef89094c8da7e0082aaf5528699fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:21.232113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040345/publication.md
observed 9f6657e19568154892a6e1f1e8c32681...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:21.213394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040345/publication.txt
observed 3341aa46e80c8306fd7f354e0c0f180f...
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.