OpenTechnical

OT-2026-000090832

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, sustained 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-2026-000090832) never changes.

Identity and time

Publication numberOT-2026-000090832 · never reused
Internal UUID01a0ae9c-c010-71a7-9341-f2aaad722bf0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:03.518217Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090832
StatusPUBLIC

Content hashes

Canonical text64c4cd72d44b6599bcc4acab98a93ed6427ca3e48f0ded35d348ff710d75f775
Markdown67ebd340bd7c4ab1007f85615e8417307d1a61e041818663e6957e6773ca73b5
PDF
Publication pagec5c18de174bc16d2b662950a8fdac114dad758703f562908c7915bfee1e08701
Manifest9d425e8581c41c3d81845d086bcb88e8a21ac8793ec912d4a01bad6b8a06d5a6

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
SignaturepVMX/kC5L3hc63KBcSiBT313KEmoc01yWbWvwe6ckv8KhECKK3EUj+SATVpj/mMAoRhAnDHrcNlsSw+PY+wbBg==
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

2026-09-17T09:43:52.618647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090832
observed c5c18de174bc16d2b662950a8fdac114...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:52.603180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090832/manifest.json
observed 9d425e8581c41c3d81845d086bcb88e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:52.587699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090832/publication.md
observed 67ebd340bd7c4ab1007f85615e841730...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:52.570631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090832/publication.txt
observed 64c4cd72d44b6599bcc4acab98a93ed6...
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.