OpenTechnical

OT-2026-000019343

Publication integrity record

Two bellows cup vacuum gripper, two zone face, plant vacuum fed, pulsed 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-2026-000019343) never changes.

Identity and time

Publication numberOT-2026-000019343 · never reused
Internal UUID01a0ae6e-f392-7733-93ab-b25d87fcaffc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019343
StatusPUBLIC

Content hashes

Canonical textb3a8691618f27d10c60f2769f9066297269a7d69ca0a610fdaa500421c31f0e9
Markdowndd28122ff90cb8383da1e53b2b14df4934a1e8f863efccc4160c475b1476bf29
PDF
Publication pagede8ad31c31303bee848c9dd59de428b111bd704cbba07562404dd5350ef292a5
Manifestf40da48234b6a99476b874a94beb2e2a1c042b3ed6215a41346c8e9f3e55cd3b

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
SignaturedLuc8FBft7zhzJE3sbJ+WRzSiD8uF4UeChQjgPcMb5UvFLwOMktZxPrNOEvKDklwZsNaq5wJqji17fYQ95USDw==
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

2026-09-17T11:58:42.898911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019343
observed de8ad31c31303bee848c9dd59de428b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:42.880001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019343/manifest.json
observed f40da48234b6a99476b874a94beb2e2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:42.862297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019343/publication.md
observed dd28122ff90cb8383da1e53b2b14df49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:42.843066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019343/publication.txt
observed b3a8691618f27d10c60f2769f9066297...
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.