OpenTechnical

OT-2026-000099703

Publication integrity record

Foam pad vacuum gripper, two zone face, plant vacuum fed, pressure sensor per zone, sustained 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-2026-000099703) never changes.

Identity and time

Publication numberOT-2026-000099703 · never reused
Internal UUID01a0aea2-c976-7117-8b60-782412282513 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099703
StatusPUBLIC

Content hashes

Canonical textbe51f9ac39a7903db568cbe62f3e32e05fe3be067253d532297beefc4fe7b0c0
Markdown501b3801f61fc9bcd4dc8d8f0686fc60dbfd9a44afb79141c7b41fe63895d7b5
PDF
Publication page5a20f2b1e47e99515387db11c064d9ba7818c2f85b6763bd6e748061ef471a33
Manifest090b71b63e2979baa707cd3614ffb1c6fe5e20e398749c80201c3b9a19e77472

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
Signature+eHruJem64icdLsJyJ+diMzP0WFqYmdOc2KGVMHmhgcUFeqaQ4s7cp6PcHzkNLbWL6U9h/Trd2eT0gixMTFDAw==
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

2026-09-17T09:29:43.068053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099703
observed 5a20f2b1e47e99515387db11c064d9ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:43.047589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099703/manifest.json
observed 090b71b63e2979baa707cd3614ffb1c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:43.028952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099703/publication.md
observed 501b3801f61fc9bcd4dc8d8f0686fc60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:43.010516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099703/publication.txt
observed be51f9ac39a7903db568cbe62f3e32e0...
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.