OpenTechnical

OT-2026-000041766

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off after 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-2026-000041766) never changes.

Identity and time

Publication numberOT-2026-000041766 · never reused
Internal UUID01a0ae79-e8a2-743c-9367-120fb0bb0d38 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041766
StatusPUBLIC

Content hashes

Canonical text09ff72f4d05e86b4735df213e32f904a4f50f350cd32c272237c8e7d8659f722
Markdowne5d27507c859e47de37f97fd6ace860af7213b7500b1eccdfecd76740d2723be
PDF
Publication page302ec1e9fa95145d883e5466287e6bf5b83301ce3ef9d372f5645be894d40391
Manifestfeea5e7b21a428e88a51bf8c660eb691de9188266c2bd0d3ba850f9b4fc350a2

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
SignatureEVgKNEkjba2dXinv9V+FMbM4To4AsbkmnhunFdTZ2xdFnwbSxXhazbFpmGzjv6fY6k4ohXN6YiVTUd9vYHNPCw==
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

2026-09-17T11:16:36.865876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041766
observed 302ec1e9fa95145d883e5466287e6bf5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:36.845366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041766/manifest.json
observed feea5e7b21a428e88a51bf8c660eb691...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:36.828123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041766/publication.md
observed e5d27507c859e47de37f97fd6ace860a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:36.809684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041766/publication.txt
observed 09ff72f4d05e86b4735df213e32f904a...
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.