OpenTechnical

OT-2026-000019149

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000019149) never changes.

Identity and time

Publication numberOT-2026-000019149 · never reused
Internal UUID01a0ae6e-f391-7183-bd9f-7cae84904a43 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019149
StatusPUBLIC

Content hashes

Canonical text9cf56966573d9b0beba607c834eeb3beba1e03bb616fb97903d58eb08a0ee548
Markdown46932dc4c48247eaa5ccb0c3ec455359cb1bf3cbf1f8190eddf5ba29cd1363b3
PDF
Publication page6e4c958dac5780ff0d11c4fbfd850d33390035ed1b85c10ca99bfeeba2fcfbf7
Manifestbc1e070aef4a5576035bf632cdab50ad8eacb8e77267f742efec25fc5df5a37e

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
Signaturek8Coj0Ev4VeDYqG1YNSReBWYGNHH8NXCK4ZVR9Uqz8nZuCLRWAfOtsYOpgeNSY4ukC4CRMxEJgjRcbiKDFBHBA==
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

2026-09-17T11:58:25.483212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019149
observed 6e4c958dac5780ff0d11c4fbfd850d33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:25.464423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019149/manifest.json
observed bc1e070aef4a5576035bf632cdab50ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:25.446929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019149/publication.md
observed 46932dc4c48247eaa5ccb0c3ec455359...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:25.427600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019149/publication.txt
observed 9cf56966573d9b0beba607c834eeb3be...
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.