OpenTechnical

OT-2026-000086043

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, 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-2026-000086043) never changes.

Identity and time

Publication numberOT-2026-000086043 · never reused
Internal UUID01a0ae99-e82b-7796-a2a4-46febe465865 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086043
StatusPUBLIC

Content hashes

Canonical text025a973f383d8105bc5fafbd98820f55a7c3a8a30f625afb4c6bb81257c5f335
Markdown4f30724f51af5800926b2efd4cfb96a907f88ed13f2e46f9104942da0db27fb3
PDF
Publication page083b507fd1f7026ecfba21f293e30f1f43192d57515075b23377c68cb36ce456
Manifest1e3f3d389b55120c06b84fe16ef137f7e92f89d1c4d11d02a4a2adb5b1b06d87

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
Signature5JuRarFWfcmKc3ThcTQ/aDxxYsfH6E+lb8NEvO233p5hSBVGtINapLPu2K0fpCd4M+uilOI5XNCsTvxWlSejCQ==
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

2026-09-17T09:53:02.198408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086043
observed 083b507fd1f7026ecfba21f293e30f1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:02.181704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086043/manifest.json
observed 1e3f3d389b55120c06b84fe16ef137f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:02.164304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086043/publication.md
observed 4f30724f51af5800926b2efd4cfb96a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:02.147995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086043/publication.txt
observed 025a973f383d8105bc5fafbd98820f55...
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.