OpenTechnical

OT-2026-000023487

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, pulsed 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-2026-000023487) never changes.

Identity and time

Publication numberOT-2026-000023487 · never reused
Internal UUID01a0ae70-7269-7188-9916-b42d3d26c5d3 · 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-2026-000023487
StatusPUBLIC

Content hashes

Canonical textd4838e1d81ed8e9e3e2e0fa195a2ea2245f038ac9679abc90eda873ff00c6533
Markdown9588d8e83ba84166540f06ef0f6673d0e5a2cd3d0214777521c311323c90276f
PDF
Publication pageeba09fd380ee8232fb713aa6f8bbc00c64244f40f66474439a4f5bd2332e3a87
Manifestc4f8931cc0fc3b5cc34058180cbdb0eeb5708d4bcf27d78a5df75234ab50c680

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
SignaturepmPq9GQv5U2tQu0q8L4+batfhautKSgwGy3cgbYrIHzzFD1C4hz2DPJpfDvSVtiZb+Z5ad6VO8qnA8C1QRTMCg==
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

2026-09-17T11:51:42.893680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023487
observed eba09fd380ee8232fb713aa6f8bbc00c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:42.873683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023487/manifest.json
observed c4f8931cc0fc3b5cc34058180cbdb0ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:42.852722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023487/publication.md
observed 9588d8e83ba84166540f06ef0f6673d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:42.832957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023487/publication.txt
observed d4838e1d81ed8e9e3e2e0fa195a2ea22...
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.