OpenTechnical

OT-2026-000023143

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, pulsed blow-off before 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-2026-000023143) never changes.

Identity and time

Publication numberOT-2026-000023143 · never reused
Internal UUID01a0ae70-7266-77dd-935f-ed3cbcf8f725 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023143
StatusPUBLIC

Content hashes

Canonical textdce5d671252424b58ebfe1faf7c51cb6ef386c61cf38e1b61a41b6306bd5dc77
Markdowndd96012c903cc81b9d712fa9ed1449bd51f408962dbd2ee072d046d8766ccbfc
PDF
Publication page94c93a8a8c71b94e00adfc30d7af1605228b71f2d7fc49234cee401fe52841dd
Manifest1082e4e9c761117b3643df7117db993c0cff75e9014522e7b56730dc05523b54

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
SignaturerO4swzhtFK++O+Qg3dyT6un7WOMu4xhXNAeGHcB6mbyVAQVqnxsKlW/RRSjwaQKApO4mHeHeJJUaI9y5Y7c0Bw==
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

2026-09-17T11:51:04.661594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023143
observed 94c93a8a8c71b94e00adfc30d7af1605...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:04.643438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023143/manifest.json
observed 1082e4e9c761117b3643df7117db993c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:04.625930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023143/publication.md
observed dd96012c903cc81b9d712fa9ed1449bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:04.609022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023143/publication.txt
observed dce5d671252424b58ebfe1faf7c51cb6...
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.