OpenTechnical

OT-2026-000040273

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, 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-2026-000040273) never changes.

Identity and time

Publication numberOT-2026-000040273 · never reused
Internal UUID01a0ae79-2700-754a-a1e0-419a635c9ac2 · 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-2026-000040273
StatusPUBLIC

Content hashes

Canonical texta21be8c7fd907bd23b6f56694485ee732d6e044c766d9e1165945c9187a7864f
Markdown6bb891304f03fdfc6ca7acd9af672a028d70bff3f7291512fb7004f73f93b31f
PDF
Publication page7a8a7ef3597ef5e8dec803fa3c6431e4b6a99a572626147bc2d3192064d1c70d
Manifest7a487392fc8fdf918517514fd0c0700ae9723cf808f969ed182b0c313e915899

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
Signature4MifVGYgU1pQ76FNGB61jrjzlVj8QkUhc3ORTFuErnH3Tt9vEjjqlr6+KchCh49hh91iAObF8YUDRsU9RaGkDA==
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

2026-09-17T11:19:10.510847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040273
observed 7a8a7ef3597ef5e8dec803fa3c6431e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:10.494791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040273/manifest.json
observed 7a487392fc8fdf918517514fd0c0700a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:10.479065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040273/publication.md
observed 6bb891304f03fdfc6ca7acd9af672a02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:10.462012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040273/publication.txt
observed a21be8c7fd907bd23b6f56694485ee73...
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.