OpenTechnical

OT-2026-000084079

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, pump fed, 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-2026-000084079) never changes.

Identity and time

Publication numberOT-2026-000084079 · never reused
Internal UUID01a0ae98-5b5e-7a9f-8f81-5b7d20681129 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084079
StatusPUBLIC

Content hashes

Canonical text9b224a7e1e84e4b3858554dd18c962476f61846349ceb1cc2f8f02eefb25bf2c
Markdown2867cfd73e2a9fdb2e8048ab8677de8d7c8f6f165ff4c14cfad97b2b78d3cc94
PDF
Publication page54f176252a6910126917a9c881ed5b0a68b7345a99a2a6fde3d9eefb94aa9c7d
Manifesta3af645c3b1cbb80d857388225c27644c008bce3f91690fe121cba1f6d236e39

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
SignatureC/6Q6w0PM/C2CFcawwsvEYcI1fciL6SbhuNBJ43t5NnGgA4VN79KlaPHlfEN+eFE/G5rPegbTkaBe7fXBHL9Aw==
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

2026-09-17T09:55:49.395390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084079
observed 54f176252a6910126917a9c881ed5b0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:49.378348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084079/manifest.json
observed a3af645c3b1cbb80d857388225c27644...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:49.360443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084079/publication.md
observed 2867cfd73e2a9fdb2e8048ab8677de8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:49.342535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084079/publication.txt
observed 9b224a7e1e84e4b3858554dd18c96247...
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.