OpenTechnical

OT-2026-000013025

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, 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-2026-000013025) never changes.

Identity and time

Publication numberOT-2026-000013025 · never reused
Internal UUID01a0ae6d-5564-73f6-8384-eddf6a395c46 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013025
StatusPUBLIC

Content hashes

Canonical text9161ce7dc1002635d944477d85b822d9273cef8654afd0942fec7027004a23b7
Markdown50725a91d2705fc2e16bdac76c2061d4bf5b584be9449c4a4c7ff22b2a17264e
PDF
Publication page6279904bc04eb7c4d90944c1e6ea0c617204384cf49b479adb8bdb6c9ab15bed
Manifest04f54469fc70ca80fa43d6a8bf4b2003a7a121ad6fe6233f11b0e0122109d14e

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
Signature7sQG8jEUJCv36Elc+efnyOpiJ+EftzAOaq182rbvOSPgm1Pll6Htp2ZVIIapNzyVHWV8Vgi5svhx5ccHPy7qCg==
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

2026-09-17T12:10:51.109172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013025
observed 6279904bc04eb7c4d90944c1e6ea0c61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:51.087156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013025/manifest.json
observed 04f54469fc70ca80fa43d6a8bf4b2003...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:51.066684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013025/publication.md
observed 50725a91d2705fc2e16bdac76c2061d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:51.047869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013025/publication.txt
observed 9161ce7dc1002635d944477d85b822d9...
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.