OpenTechnical

OT-2026-000040209

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000040209) never changes.

Identity and time

Publication numberOT-2026-000040209 · never reused
Internal UUID01a0ae79-26ff-7d98-90d8-d5581ad169ca · 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-2026-000040209
StatusPUBLIC

Content hashes

Canonical text951b2e00aac8a8f560c06b853280d07e38bb5b8ba016c714c36cf3987f003af8
Markdownb608cfc52452bd3bd44b82f56adbd8de58db7061f18d9c63057a03149db606fa
PDF
Publication page86779a504f865db7a3c717c88c935bd22201a5b72cbdbcd3d4fddaca462b4a9c
Manifest840c72c4d9ba58e1cf948f81f7de6f8c84b07cb42aa371f799a4d2bf2f1dd87d

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
Signaturen3VLsYT6tpXogvMo2j0VNJOeWQ+ySSGmDAQtcgl/KZNGcdjGgd6GWHaDTg8G3kNKexBw9ru0PSsxhmoe6iL5Bg==
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

2026-09-17T11:19:05.576040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040209
observed 86779a504f865db7a3c717c88c935bd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:05.560843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040209/manifest.json
observed 840c72c4d9ba58e1cf948f81f7de6f8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:05.546316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040209/publication.md
observed b608cfc52452bd3bd44b82f56adbd8de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:05.530977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040209/publication.txt
observed 951b2e00aac8a8f560c06b853280d07e...
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.