OpenTechnical

OT-2026-000058044

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, 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-2026-000058044) never changes.

Identity and time

Publication numberOT-2026-000058044 · never reused
Internal UUID01a0ae88-6eda-7e39-a126-ca9de2f3f8fb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058044
StatusPUBLIC

Content hashes

Canonical text92c7ff5f2eaf06a4319d51307d83ab04ccba220b5b6c87709010ebf1421847f3
Markdown330df9c0f92a3a4d4c81106c095e7ea36eb33e383de994c8b9a2ffbd0a8c6800
PDF
Publication page4d828b423155f9ba56d714092ed0d17b8c7a780aec4af84626c20d59f524e454
Manifest54055cbd89e8d7afec1bdb52881fdad020aa241c0f6a75a63f98cd0e342acea4

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
SignatureHOCHLQcYesg8jkIFZZpBJl9W5ModmGISF1x1TzaYV9zI2FvpA5/HWQZ5Qk/9YUXDk6JkmfHJwZmG0XPSjrUpAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:47:41.530982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058044
observed 4d828b423155f9ba56d714092ed0d17b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:41.512901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058044/manifest.json
observed 54055cbd89e8d7afec1bdb52881fdad0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:41.494347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058044/publication.md
observed 330df9c0f92a3a4d4c81106c095e7ea3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:41.475446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058044/publication.txt
observed 92c7ff5f2eaf06a4319d51307d83ab04...
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.