OpenTechnical

OT-2026-000050513

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, vented before 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-2026-000050513) never changes.

Identity and time

Publication numberOT-2026-000050513 · never reused
Internal UUID01a0ae82-5c49-71ee-82cd-5d45586057f5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050513
StatusPUBLIC

Content hashes

Canonical textc0ff0fb51926e67a36905f8cd01eaf56ec399efadc987efcdf154ee588f92f49
Markdown9f16af42b14a59087cbb783bb2d18689ada5c9b60fd9cd43e3da6d60947ffe47
PDF
Publication page3d5e9af2d5063274b0f256c7cde30a2397094ff16860a052febf7ba7e5a90a41
Manifest86c4229e2ea7c60e91546d33076b58ac2e2159fcd144d9df8ecbb0a7c058651d

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
SignatureyqtCYxCtvmuZrKwX28SzYpFVzBG69bjb6FsB0XFRRi+qqv7pSjsyRLYrOse5sMg7cVzjdb7VObGlM9Ti8EjUDg==
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

2026-09-17T11:01:34.489993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050513
observed 3d5e9af2d5063274b0f256c7cde30a23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:34.473850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050513/manifest.json
observed 86c4229e2ea7c60e91546d33076b58ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:34.457605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050513/publication.md
observed 9f16af42b14a59087cbb783bb2d18689...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:34.441771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050513/publication.txt
observed c0ff0fb51926e67a36905f8cd01eaf56...
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.