OpenTechnical

OT-2026-000015029

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000015029) never changes.

Identity and time

Publication numberOT-2026-000015029 · never reused
Internal UUID01a0ae6d-d096-7789-9a10-82b00a7275ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015029
StatusPUBLIC

Content hashes

Canonical text44b2957f36e85faa94be8d84576aaf72771e8abd8e5fcad884e6a6718a5b327e
Markdownfdf56bd1051c47457d9fc51dd5a2e66d7e87835a43601dd4726bd4c5d9c36b07
PDF
Publication page0a1d06ecd516aa270b974f8835795301043c4c660a9368f3598b718c6b4b0ca1
Manifestfa20cadb71ee7132bb71daa8458fac93dda5a7aaba71f0dbef0b96d433b56be6

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
SignatureBr9rZOSpPifzkYkcA44Sc117ohWFpjklOI54WBsMu4Y/99HeXdVCzlgiYy3z72Cxs12ir+pXtkgZler6/ROdAg==
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

2026-09-17T12:07:00.387687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015029
observed 0a1d06ecd516aa270b974f8835795301...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:00.367993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015029/manifest.json
observed fa20cadb71ee7132bb71daa8458fac93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:00.344659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015029/publication.md
observed fdf56bd1051c47457d9fc51dd5a2e66d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:00.323727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015029/publication.txt
observed 44b2957f36e85faa94be8d84576aaf72...
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.