OpenTechnical

OT-2026-000069450

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off after 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-2026-000069450) never changes.

Identity and time

Publication numberOT-2026-000069450 · never reused
Internal UUID01a0ae90-b52a-74e2-94c8-607d135c7f75 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069450
StatusPUBLIC

Content hashes

Canonical text641218aae548566db7784cd7f4517b2285e1245a713ca3c06a82f98f92d09ea0
Markdownd7015dfee117dc1e438965fd215ffaadc49bfb4bd841d129930031f8fb72fbde
PDF
Publication paged4ccf029b9af415b586c371c27e20bddd493f76feb5f7b3ff4b6c97ca0844b71
Manifestd03a4ce95996a85be28ae8af81d5cc2b5a9aca54c11831b946e81e34e67afbf5

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
Signature0mf3BMC4x2/Wm3f2pE4op4UusDPAJYzOu8Rk28kLYMQIFL37gBTu1zYzPU75ElifPJBwRQW+NwA0FYNA7YdOBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:30:31.219229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069450
observed d4ccf029b9af415b586c371c27e20bdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:31.201032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069450/manifest.json
observed d03a4ce95996a85be28ae8af81d5cc2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:31.179849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069450/publication.md
observed d7015dfee117dc1e438965fd215ffaad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:31.159745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069450/publication.txt
observed 641218aae548566db7784cd7f4517b22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:04.116473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069450
observed d4ccf029b9af415b586c371c27e20bdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:04.099398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069450/manifest.json
observed d03a4ce95996a85be28ae8af81d5cc2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:04.081745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069450/publication.md
observed d7015dfee117dc1e438965fd215ffaad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:04.064131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069450/publication.txt
observed 641218aae548566db7784cd7f4517b22...
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.