OpenTechnical

OT-2026-000016089

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000016089) never changes.

Identity and time

Publication numberOT-2026-000016089 · never reused
Internal UUID01a0ae6e-0c4e-7674-afa5-0580a51e6e96 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016089
StatusPUBLIC

Content hashes

Canonical text5c639d5633d47ffbbc70670edbd205fd1837c5ea28e11aa97c4e9f9950d61711
Markdowna1676e7f59abe9def1c21d7fbd621cf586ca51acdf90a0011e82bfce09993af5
PDF
Publication pagea27392f8552c058e1411fb461c9f290e2a1e566307373cd5afc2ec6c7276755d
Manifest2ab5e6b8f5d8cd42e7cab004ab9695d7cbd6c205a540515f10fc7b9ba393f5c2

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
SignatureRpREQ12K6zHnYl0OVUAXwXxKROIoA/6BWQQGKKewRguAg8Vvye41k/kczkcUEB1lMAVQ7dz2x1Rp/3VNypNOAg==
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

2026-09-17T12:05:39.856329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016089
observed a27392f8552c058e1411fb461c9f290e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:39.836283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016089/manifest.json
observed 2ab5e6b8f5d8cd42e7cab004ab9695d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:39.816647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016089/publication.md
observed a1676e7f59abe9def1c21d7fbd621cf5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:39.796743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016089/publication.txt
observed 5c639d5633d47ffbbc70670edbd205fd...
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.