OpenTechnical

OT-2026-000025342

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000025342) never changes.

Identity and time

Publication numberOT-2026-000025342 · never reused
Internal UUID01a0ae71-5fa7-761e-801b-3d72d4bafa3a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025342
StatusPUBLIC

Content hashes

Canonical text3d37f5d141bebc04eefae03f2d72e5f7802a852cbc6555e2dccced88f49a0e08
Markdown91a26635495299e239c902ea2ec8b14756cb626c810f8b5d2a020d49f208d542
PDF
Publication page7e902e4d41545acb1cf055a5937069ea8329a0227f1dfaec4415cb1fa66dc429
Manifest64d84791ef9003f20b5f16d95a4b557424e1371938b1202206a2f0aad372afd6

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
SignaturefdbsuRdGZggZgkObUrL3vdvADJFhLM7z5xCqE89Ciw+POJj4lVdOV8rOWDqNVqlTA9wItawk+gZKyL8zhuW8AQ==
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

2026-09-17T11:47:22.263565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025342
observed 7e902e4d41545acb1cf055a5937069ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:22.245139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025342/manifest.json
observed 64d84791ef9003f20b5f16d95a4b5574...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:22.227310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025342/publication.md
observed 91a26635495299e239c902ea2ec8b147...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:22.207337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025342/publication.txt
observed 3d37f5d141bebc04eefae03f2d72e5f7...
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.