OpenTechnical

OT-2026-000022309

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000022309) never changes.

Identity and time

Publication numberOT-2026-000022309 · never reused
Internal UUID01a0ae6f-f4fc-7dc9-82ef-dee2a0a59170 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022309
StatusPUBLIC

Content hashes

Canonical text88bf4ed77cae1913c95ce6ea102af682b2d30dd1176340504d11605b20460f3b
Markdown9dd4405a01f1cb7b09fecd053c1199cede649a805c0a6d1c2ddc22e9171c09d4
PDF
Publication page8d493e48dfb7327300296f6424d0d74a2261821c606fef80acb80260361fcc9c
Manifest7c4699965f941ac3751d8160b8ac64ddd54b9e3ba6cab97221593e2b64db277c

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
SignaturegDAQllMzTWUXRab1f2DnvvS/N+bsaYu08sLX2MRUTaiJF+7aJC3s9iGIMnfVCGc358fl7ZwNBbE2+7PShoA/AQ==
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

2026-09-17T11:52:46.351894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022309
observed 8d493e48dfb7327300296f6424d0d74a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:46.333414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022309/manifest.json
observed 7c4699965f941ac3751d8160b8ac64dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:46.315935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022309/publication.md
observed 9dd4405a01f1cb7b09fecd053c1199ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:46.297498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022309/publication.txt
observed 88bf4ed77cae1913c95ce6ea102af682...
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.