OpenTechnical

OT-2026-000083599

Publication integrity record

Four bellows cup vacuum gripper, four zone face, plant vacuum fed, 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-2026-000083599) never changes.

Identity and time

Publication numberOT-2026-000083599 · never reused
Internal UUID01a0ae98-0415-7195-bd76-d35d0cda0c72 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083599
StatusPUBLIC

Content hashes

Canonical text3fd750599d69fe58620300fb682bb1d12773dac2f1747c0710aef3e62e597ca9
Markdown9f83d5cd26a7cd34a9f74cf2ce78c95f386dcd02473fe2e02e4416b74414dad3
PDF
Publication paged15d20f18b41b965add4ce3d252c139b92c66b0035f6dc93c3ae25a5a41d19aa
Manifest997c3d66bd8dc013f33418b2a072d59408af6bfe2b5f06d6116fae24f902c854

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
SignatureKwULIl29/x9FwXEIg92ea5rV63Mf1WThF+R1n9wi3D5wo16V6ovkLPdN0dIt1qKLuWkQyiyVgAQ1MsyupzeTAw==
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

2026-09-17T09:57:05.588684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083599
observed d15d20f18b41b965add4ce3d252c139b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:05.572374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083599/manifest.json
observed 997c3d66bd8dc013f33418b2a072d594...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:05.557217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083599/publication.md
observed 9f83d5cd26a7cd34a9f74cf2ce78c95f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:05.539782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083599/publication.txt
observed 3fd750599d69fe58620300fb682bb1d1...
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.