OpenTechnical

OT-2026-000039869

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000039869) never changes.

Identity and time

Publication numberOT-2026-000039869 · never reused
Internal UUID01a0ae78-d8d6-7cd2-86bc-3ff509721e60 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039869
StatusPUBLIC

Content hashes

Canonical text65a8780533daf08807cb3ed4b47951a75c822eaed950641f5e5e62729e6fcafc
Markdown103212706eb6cb4d37477eca391f5c9dfec7ce7ce0e62a7651bdd68536d870d5
PDF
Publication paged98b7fa1a7c7da180410699f479116abda32e83e4855b17505c45e90b1159aa8
Manifesta0bd6622220d23e65ac8059bf2f3032b6716c2a66bf9c00ff95c5f1f803b67f3

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
SignaturegfAzVIhi8ScKXREe7mA6LYpfi3VwRjgSO+CX8kZBvd7FlPU3k8uByj4HGRMv10fgDbgM+nIPIRTwS8YW5jm3AQ==
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

2026-09-17T11:20:08.939692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039869
observed d98b7fa1a7c7da180410699f479116ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:08.922424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039869/manifest.json
observed a0bd6622220d23e65ac8059bf2f3032b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:08.904406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039869/publication.md
observed 103212706eb6cb4d37477eca391f5c9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:08.887724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039869/publication.txt
observed 65a8780533daf08807cb3ed4b47951a7...
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.