OpenTechnical

OT-2026-000049590

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000049590) never changes.

Identity and time

Publication numberOT-2026-000049590 · never reused
Internal UUID01a0ae81-8f7d-7b1d-9a63-63e6f2064d88 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049590
StatusPUBLIC

Content hashes

Canonical text170cf2365010eb7d71cb8f5fe07fdbbcd6bf07314d5b74619abdcb6f3896ba12
Markdown72e95caacf1e22c5ccc120e2c354af38ecb77382941ae01cb846868f4fdc81e0
PDF
Publication pagee5a9b3191561d68186fd170a5b46ace40c87eae69d4cac36ede5f8a22bd00a8b
Manifest2d682c83e9af1fb00c2de4575614fe1eb538de3700fa3e921703f6aed588cf9a

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
Signaturee6txFVy9/+eg8+R6hrswP5mnlLXfbMzuPTlRYWQCJdzXWfKZROhI6P75X/u/JktzD3oKd5lkO5/PHEICepaNAQ==
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

2026-09-17T11:02:33.919455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049590
observed e5a9b3191561d68186fd170a5b46ace4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:33.900402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049590/manifest.json
observed 2d682c83e9af1fb00c2de4575614fe1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:33.882221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049590/publication.md
observed 72e95caacf1e22c5ccc120e2c354af38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:33.861901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049590/publication.txt
observed 170cf2365010eb7d71cb8f5fe07fdbbc...
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.