OpenTechnical

OT-2026-000030706

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, 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-2026-000030706) never changes.

Identity and time

Publication numberOT-2026-000030706 · never reused
Internal UUID01a0ae74-3fb3-7201-96e5-221f1c718865 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030706
StatusPUBLIC

Content hashes

Canonical text0f07d5ea571944b0de9f347d40be3401577ce087f9de0d3b6c29557164036c20
Markdown1994a1098056e75611ddc479a9a0389648b9f76f2a4cf4c4f0a27a099dc5983b
PDF
Publication pagedfcdaec6dd3d14c4fe084263e43e996a7e14c3d58dcff87301a844a71c251304
Manifest79ced0848b8a71d6f9b85124b45b199b0ffae89396e09d1a51c70052c01730d4

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
Signature+H7fwg6x+H/7cqmph752OcZleK9+oT+A8knSHIngXD/NO0m3pNdZqpA6mtgDLSSycSAgyy1gYOMxA3F7PLhEDA==
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

2026-09-17T11:36:37.531120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030706
observed dfcdaec6dd3d14c4fe084263e43e996a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:37.500092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030706/manifest.json
observed 79ced0848b8a71d6f9b85124b45b199b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:37.480551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030706/publication.md
observed 1994a1098056e75611ddc479a9a03896...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:37.462827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030706/publication.txt
observed 0f07d5ea571944b0de9f347d40be3401...
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.