OpenTechnical

OT-2026-000030174

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, three 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-2026-000030174) never changes.

Identity and time

Publication numberOT-2026-000030174 · never reused
Internal UUID01a0ae73-e500-7296-8799-a244b6a61017 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030174
StatusPUBLIC

Content hashes

Canonical text17287c146893dc1006c6efcb1b6020cff6d131896abce9b706a3becf9bb1ac7c
Markdown3608eba90c6461a841f79f152e34f485fe2d27ea47ab03c23ded76d4b246955c
PDF
Publication page67f9123bb12c15f2529b9b831c773ad0945052d70d4fd6ff96b13077f7a749d7
Manifest19f67796ee6418ec3cbf8bd75996b4d781dbd8fab6e95ca5b9efd0fd7e495f50

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
Signature0SFHeA2AYV9+JYgRmJ3socCme68ooTfTfqLwefsS5vZcpOyxr8DWqwqU95r1/ADIN4a6XNTmKVL08TCBBoi2AA==
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

2026-09-17T11:40:32.143920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030174
observed 67f9123bb12c15f2529b9b831c773ad0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:32.124808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030174/manifest.json
observed 19f67796ee6418ec3cbf8bd75996b4d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:32.106892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030174/publication.md
observed 3608eba90c6461a841f79f152e34f485...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:32.087413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030174/publication.txt
observed 17287c146893dc1006c6efcb1b6020cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:48.514064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030174
observed 67f9123bb12c15f2529b9b831c773ad0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:48.497485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030174/manifest.json
observed 19f67796ee6418ec3cbf8bd75996b4d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:48.480932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030174/publication.md
observed 3608eba90c6461a841f79f152e34f485...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:48.464610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030174/publication.txt
observed 17287c146893dc1006c6efcb1b6020cf...
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.