OpenTechnical

OT-2026-000018270

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed 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-2026-000018270) never changes.

Identity and time

Publication numberOT-2026-000018270 · never reused
Internal UUID01a0ae6e-b488-7707-bb42-34a7c98559fc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018270
StatusPUBLIC

Content hashes

Canonical text667dc89473a500dd124311d6e3481ff0771364074973f82fd1b5d2dc1df9f799
Markdown46f8f91ad551df93d324d0e3505a22616903ca4e24d37260160e54385a7254c7
PDF
Publication pagec1bdcdeb8f98ebaaef86f682f01f4177ec5a6d44e0df99ff0f1922e44908673f
Manifest247d7fdb0595f7e766cd62a9845e1a08fdf44286d2998ac4b07f135be00bdba5

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
Signature0X9qp6CThXweb9+P91f825Edr1UKYS5A2nuVFe/FdOl5hD1HmKdXLLO38jY3vXkdRRn1PsPGX36d+aGY6pSJBw==
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

2026-09-17T12:00:06.840748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018270
observed c1bdcdeb8f98ebaaef86f682f01f4177...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:06.800312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018270/manifest.json
observed 247d7fdb0595f7e766cd62a9845e1a08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:06.774884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018270/publication.md
observed 46f8f91ad551df93d324d0e3505a2261...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:06.756365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018270/publication.txt
observed 667dc89473a500dd124311d6e3481ff0...
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.