OpenTechnical

OT-2026-000032239

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two 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-2026-000032239) never changes.

Identity and time

Publication numberOT-2026-000032239 · never reused
Internal UUID01a0ae74-f7a7-75e8-a4e4-e0c2cf780e3a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032239
StatusPUBLIC

Content hashes

Canonical textb4daa4864f539382f461cf5827721d5b301a98e070084d402cda6455df69b7e8
Markdown9e3b0ecab82b6ed25b0519806a609dbfc9a2f5a435774d86333ad437f16056ad
PDF
Publication page31f59e6775045b6cc39fcf44ad62c7923f9ba139fac6e969db9f351c11a874cd
Manifest020038569a2ff4e094fe545f5abcc40dc3d90b1bd27ff11506b8efa15d7c9f46

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
SignatureCO9l/fdl3ombjIw8OBWBa8gAXZ4gqxO05/594zTPl89WOEgUiIhoCfdvOpFlJME/CAeAVwcpeM4prEPnUP3xCw==
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

2026-09-17T11:34:35.614532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032239
observed 31f59e6775045b6cc39fcf44ad62c792...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:35.598879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032239/manifest.json
observed 020038569a2ff4e094fe545f5abcc40d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:35.582901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032239/publication.md
observed 9e3b0ecab82b6ed25b0519806a609dbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:35.566994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032239/publication.txt
observed b4daa4864f539382f461cf5827721d5b...
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.