OpenTechnical

OT-2026-000046313

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000046313) never changes.

Identity and time

Publication numberOT-2026-000046313 · never reused
Internal UUID01a0ae7e-57cb-778c-92cd-78ddd183fc4f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046313
StatusPUBLIC

Content hashes

Canonical textfa5d0284eb1503df3e50a59a015be9d181ba17eef8d376c9a95bcefa6a99ae70
Markdown3a0dd444e07a0781d69252755d3fdc1bf38f20be8efcb4e5621a41c731084e77
PDF
Publication pageea001b8bcb5c9151f8d92106e4f3ba46d27aecf0879bbcc10aa6a871ceba712a
Manifestfb42636a80f7e2720df321f6fd312077887ed1ff7de97c05968c932c25b99fca

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
SignaturebumV4lk4ZyJlOmdpA5mUef0V6HI4sapn3e5RAZdRfxHFhvq6FtVvpll0xQCL2ODEtVY9eCx65+7dB2+qqePsBA==
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

2026-09-17T11:08:17.331172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046313
observed ea001b8bcb5c9151f8d92106e4f3ba46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:17.311019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046313/manifest.json
observed fb42636a80f7e2720df321f6fd312077...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:17.289989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046313/publication.md
observed 3a0dd444e07a0781d69252755d3fdc1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:17.271034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046313/publication.txt
observed fa5d0284eb1503df3e50a59a015be9d1...
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.