OpenTechnical

OT-2026-000031141

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, pulsed blow-off after set-down

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-2026-000031141) never changes.

Identity and time

Publication numberOT-2026-000031141 · never reused
Internal UUID01a0ae74-87ab-791d-b57b-d2d5a7baf8da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031141
StatusPUBLIC

Content hashes

Canonical textbd73fc90a631ed32cf983442a6b5063862725fd0f8aa9f135f138d7f3a973593
Markdown39b91e6a90321178dc8ba1cc0d79135d841c251accbed2e8b45b83ce140f7c2f
PDF
Publication page3d461a98634dab6ac36033feda514d3f1e2575928e233c7cb457c053873038f4
Manifestd14f286716104dd153965afbc8cd4ee5b7f42c34060cd65f230bd055dc5b22c6

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
SignaturefEclLPqpXvURMH9q4XKGoH7WLHkZqyTRxMO3KRnxqYCVn42lFwFL1MpzSPRiy6IfzEsW/hCsAWyDQOlPu2qCBw==
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

2026-09-17T11:35:35.045607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031141
observed 3d461a98634dab6ac36033feda514d3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:35.025723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031141/manifest.json
observed d14f286716104dd153965afbc8cd4ee5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:35.008703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031141/publication.md
observed 39b91e6a90321178dc8ba1cc0d79135d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:34.990981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031141/publication.txt
observed bd73fc90a631ed32cf983442a6b50638...
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.