OpenTechnical

OT-2026-000039639

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000039639) never changes.

Identity and time

Publication numberOT-2026-000039639 · never reused
Internal UUID01a0ae78-d8d4-723e-a279-72a7162d9123 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039639
StatusPUBLIC

Content hashes

Canonical texta24e900dbe600be7cba9b07b45d51bc1943722259e82926c21952e8e4abaab72
Markdown15c807f4496f65abd75609200b9c380b6be350de52d5ac5859c49bcf1d3a343a
PDF
Publication page8845ff952278239f47f0a6218b0c0d472be7cfa3015201e232b2b4c21e4e55fa
Manifest165f384bef51c717638a3e6c752ee69a9cfb3facdeda55d8347ae624af4ddc70

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
SignatureKL7fB0nYh9nDLzc4L95Wr88jYNHD6C9bhO+sWPzRPS3tc8SNIPG+vtEXkUPjIH5t29WgJC8X/araQ/1kH6UPCg==
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

2026-09-17T11:19:48.746029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039639
observed 8845ff952278239f47f0a6218b0c0d47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:48.729444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039639/manifest.json
observed 165f384bef51c717638a3e6c752ee69a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:48.711960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039639/publication.md
observed 15c807f4496f65abd75609200b9c380b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:48.693882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039639/publication.txt
observed a24e900dbe600be7cba9b07b45d51bc1...
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.