OpenTechnical

OT-2026-000064456

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000064456) never changes.

Identity and time

Publication numberOT-2026-000064456 · never reused
Internal UUID01a0ae8d-a461-75e3-b4f3-4586a46a3d4b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064456
StatusPUBLIC

Content hashes

Canonical textd7e104301b821fb82cf14773b92d33856e5471d6e288739fef4c70b8db085708
Markdown6010695e5e7bf1232329c3bcbc51c4f2f228c582f5f1b9e42a034a0279c51388
PDF
Publication pagee179003d809766b006c25ab62dcfb051eb5080fddae31103a483d0046da8894b
Manifest03b2cd58f8af02c0ed2c172e880e4f15d94014fd13ac079a03d3f0686e7c1d09

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
SignatureGmch1loHJVBuMawx+JEEKAo2powG7GPxezhKsIjprVDWCBcljHZzo+2L743KjUUwfIp9fT6FEIuduxW5GeqTBA==
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

2026-09-17T10:36:38.699461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064456
observed e179003d809766b006c25ab62dcfb051...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:38.683833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064456/manifest.json
observed 03b2cd58f8af02c0ed2c172e880e4f15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:38.666923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064456/publication.md
observed 6010695e5e7bf1232329c3bcbc51c4f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:38.648387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064456/publication.txt
observed d7e104301b821fb82cf14773b92d3385...
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.