OpenTechnical

OT-2026-000102100

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, pulsed 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-2026-000102100) never changes.

Identity and time

Publication numberOT-2026-000102100 · never reused
Internal UUID01a0aea4-50f2-72a6-8206-f75312d3cf1e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102100
StatusPUBLIC

Content hashes

Canonical text01a768da36f97456dd3d546f305c95fde760d8073910dd41b43f33120fa3105a
Markdown46644e0eb9f8cc99828067fdc80cc4274954af8ebe4ba1a49edb83dfea640754
PDF
Publication page8b7ed21e25d439e88d4f61a879246c5255fbc70d80869c6f9925ebb9ad67131e
Manifest4177e331de3fe15fc1c615b91da8641ff81652e0b3b49dbd003eb228cbea402f

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
SignatureFTRPCQhvQxZCPQcg38J8an7VWqSrVumXFguatlmEvJTBVDR9KuLSG5eLcbn+1E1cEy5DVuMKfvDfKEXmB+VnBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:14.935887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102100
observed 8b7ed21e25d439e88d4f61a879246c52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:14.916505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102100/manifest.json
observed 4177e331de3fe15fc1c615b91da8641f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:14.897965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102100/publication.md
observed 46644e0eb9f8cc99828067fdc80cc427...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:14.879914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102100/publication.txt
observed 01a768da36f97456dd3d546f305c95fd...
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.