OpenTechnical

OT-2026-000029062

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000029062) never changes.

Identity and time

Publication numberOT-2026-000029062 · never reused
Internal UUID01a0ae73-2a9f-7005-870c-dba5c71b1b65 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029062
StatusPUBLIC

Content hashes

Canonical text9eed143fe736c21f0c990fdceaf8bd29ca96132c90069ef1a92a5476d6597621
Markdownb775dd5f0aa9785a9d3546a7723c8bbd84bed353598e090c9be621a912bd03d2
PDF
Publication page87d9b1a1a3c60fb30d3af9a43af54f511af626bedaeb4137f1ce77507cd64523
Manifest8f2c5a5f1287208bdd36b2b907ba022304bef4b713f2784a8c83bfbc0712343d

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
Signature00xdMfv2BVmF9DGUgIPeMf4I7LJpMu7ejhk1TT3dYj75fOYbnwVLGQxaw+fjrcKkOmuozqpEZrHn1BoWYpv5Bw==
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

2026-09-17T08:20:43.680731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029062
observed 87d9b1a1a3c60fb30d3af9a43af54f51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:43.537167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029062/manifest.json
observed 8f2c5a5f1287208bdd36b2b907ba0223...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:43.520994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029062/publication.md
observed b775dd5f0aa9785a9d3546a7723c8bbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:43.503673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029062/publication.txt
observed 9eed143fe736c21f0c990fdceaf8bd29...
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.