OpenTechnical

OT-2026-000079649

Publication integrity record

Three cup vacuum gripper, three zone face, three stage ejector, 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-2026-000079649) never changes.

Identity and time

Publication numberOT-2026-000079649 · never reused
Internal UUID01a0ae96-0b93-7801-ac79-b4d74896997b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079649
StatusPUBLIC

Content hashes

Canonical text22054338f8ba11b247f9ea7e737055de2b5a4becb58aa8ed1b1bcb7683489d36
Markdown3385a9c6896432aadc96cdfff9ffac98cdaffc46dfb343f1bb58add909a9d7c1
PDF
Publication page415cd13e7f5b70c9456642f5949011aed0887880bdd0f3f4de4e2137b86c9810
Manifest402f898f75464c45743796ee82fd07338a01eec9b57c13d43b455411cc1f681c

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
Signature1gp+n2ejG8ur8c9iwx8GHU5SC5PweesIUKRJENMyovdphwXyTB26va2AAXtDM1FVb8Zgp6Q/jl7ESHM83CmqCg==
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

2026-09-17T10:05:19.016128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079649
observed 415cd13e7f5b70c9456642f5949011ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:18.997123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079649/manifest.json
observed 402f898f75464c45743796ee82fd0733...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:18.978673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079649/publication.md
observed 3385a9c6896432aadc96cdfff9ffac98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:18.960417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079649/publication.txt
observed 22054338f8ba11b247f9ea7e737055de...
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.