OpenTechnical

OT-2026-000020665

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000020665) never changes.

Identity and time

Publication numberOT-2026-000020665 · never reused
Internal UUID01a0ae6f-65e2-79f8-9e69-f7f6b4869abe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020665
StatusPUBLIC

Content hashes

Canonical text333280d07821f91b23dbce5170c00ff124d243e20d2c61194c63187aa3d18024
Markdownf5970519d7dbf640c7e87ec7d49f80c83be2fc755b06d24969d0151eb09a87a6
PDF
Publication page0a40e89f96837511933e62e6f2249e965b956060f3b53137eb9ae86b9d72afca
Manifestd8ffa588f6bee3f4afbf887da12eb09ae1f09606074376a02b9d0b49bcc4c77a

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
SignaturedAj3NF4cfI+58sFKkbOxVd+owfYaD+gHg0YnEwIWpx4TMvgQU9K+ZKGEKVG9jUpPq7hWe11nZK0RugMI0siBCA==
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

2026-09-17T11:55:37.348644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020665
observed 0a40e89f96837511933e62e6f2249e96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:37.328073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020665/manifest.json
observed d8ffa588f6bee3f4afbf887da12eb09a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:37.308437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020665/publication.md
observed f5970519d7dbf640c7e87ec7d49f80c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:37.288986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020665/publication.txt
observed 333280d07821f91b23dbce5170c00ff1...
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.