OpenTechnical

OT-2026-000051123

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed blow-off 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-2026-000051123) never changes.

Identity and time

Publication numberOT-2026-000051123 · never reused
Internal UUID01a0ae82-c7b6-7e28-8227-3ddf1a4eb97c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051123
StatusPUBLIC

Content hashes

Canonical text770f17ea53aa67b2f2703dd35b3a85960fbd0fcfa696a84b81d027e06d050ba6
Markdown5fbbe1cb58eef084e79e6609f6d9be98b6e3fc415e4cde601db8d2267634fb11
PDF
Publication page89b9b89ffa01636615f485900b6c8c959d93ff2fe09d2eeb4990495e6d878f16
Manifestbf2443150d6822e6e7e83f15475b7e302bbf15e1d1a4430803be28234464575e

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
Signature0buRQVgnkaLRK9Y8Tm/oJNfNCHH0OqczTkRqP66jCdcT0PxDGutYdijncoKuqUH5yzTt8GzSNkhf9LqYBtQiCw==
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

2026-09-17T11:01:04.585738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051123
observed 89b9b89ffa01636615f485900b6c8c95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:04.567953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051123/manifest.json
observed bf2443150d6822e6e7e83f15475b7e30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:04.549775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051123/publication.md
observed 5fbbe1cb58eef084e79e6609f6d9be98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:04.531326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051123/publication.txt
observed 770f17ea53aa67b2f2703dd35b3a8596...
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.