OpenTechnical

OT-2026-000019953

Publication integrity record

Six cup vacuum gripper, six outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000019953) never changes.

Identity and time

Publication numberOT-2026-000019953 · never reused
Internal UUID01a0ae6f-1fb7-794a-87d0-cee7bf1339a6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019953
StatusPUBLIC

Content hashes

Canonical text07ddd81751afc4ff715db4cd73040778eb2ad975fa30f7b560508cf10cd7de20
Markdowncde60891f91818f98178aa96da3ede923fdb5dad0a3d8ecebe6d90ea28bd7dc1
PDF
Publication page5c2dfe6aaf2fce36a32a09fb76b1e3688a21590a06b2a8949e756c8fc54804c7
Manifest73929dd4504eee051bdfe66f7cdd68d64c86cc0e307774f34cbf603fcfc8cad2

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
SignaturefoBL1IRx3SWI83mn+0ge9etq9dooOicI/L+UPEnLoIUe1huR1g3sH+lUT57/g5Vi48oXUdJtDN3p1D2/8+VfBw==
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

2026-09-17T11:58:10.970264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019953
observed 5c2dfe6aaf2fce36a32a09fb76b1e368...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:10.952191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019953/manifest.json
observed 73929dd4504eee051bdfe66f7cdd68d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:10.933287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019953/publication.md
observed cde60891f91818f98178aa96da3ede92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:10.911418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019953/publication.txt
observed 07ddd81751afc4ff715db4cd73040778...
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.