OpenTechnical

OT-2026-000041849

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, sustained 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-2026-000041849) never changes.

Identity and time

Publication numberOT-2026-000041849 · never reused
Internal UUID01a0ae79-e8a5-7022-b31c-26b5dd604c74 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041849
StatusPUBLIC

Content hashes

Canonical textd70b14090e5cbf9e649cdcd40a5f4c66817e5f297af8c1f654aa9969d4d353be
Markdown516cbded9486f5170e6fdc91b4d9d89ecdf5ba9e9eb4d3abd8b25e01f2633472
PDF
Publication pagecdd7d3f315be280c916c9366518daad487f0d12605495c66c226394159663b30
Manifest92348ef2266c8e692d7651866f7c2ebdb6f8a7cad9cd8b85f55db350d44e561b

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
SignatureSmF0Q8o1pq9Q3r2cEFIGQB/HXZMFeQXAGnXaWOWMPI9u2qf3/BQ9AZ8d/h9kjoyO+mFccmVwkngLgG06VN3mDA==
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

2026-09-17T11:16:43.085425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041849
observed cdd7d3f315be280c916c9366518daad4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:43.068561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041849/manifest.json
observed 92348ef2266c8e692d7651866f7c2ebd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:43.051430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041849/publication.md
observed 516cbded9486f5170e6fdc91b4d9d89e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:43.033357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041849/publication.txt
observed d70b14090e5cbf9e649cdcd40a5f4c66...
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.