OpenTechnical

OT-2026-000018948

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, pulsed 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-2026-000018948) never changes.

Identity and time

Publication numberOT-2026-000018948 · never reused
Internal UUID01a0ae6e-d522-7b3e-922c-8e704d07675d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018948
StatusPUBLIC

Content hashes

Canonical text57b06c4dad3ed85c52f6fa009fa2c979b20e89bc535228be00df811fd5ad89fd
Markdown196d9768c17d17ba2a7625911cda298b6a25cfd57c076a8b30f7098d33369e43
PDF
Publication page209d283cabce4c41fcd536c6223561b2dba3b7ae5202af29b0997b4e836c895a
Manifestdac8705499d3d132dc034a20912742c7b37baea203e0cb5ed9a0a0bf039e3c9f

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
SignatureqQSpcm1Kqlfz10GWFOaYrSG9oJyMwAYLxmFPUT1bd2zt9SfHTkqbrDsQmrrhnOxBLLlSi+wi8Wqst19CL0dQBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:59:37.069198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018948
observed 209d283cabce4c41fcd536c6223561b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:37.051159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018948/manifest.json
observed dac8705499d3d132dc034a20912742c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:37.032991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018948/publication.md
observed 196d9768c17d17ba2a7625911cda298b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:37.012278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018948/publication.txt
observed 57b06c4dad3ed85c52f6fa009fa2c979...
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.