OpenTechnical

OT-2026-000041809

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000041809) never changes.

Identity and time

Publication numberOT-2026-000041809 · never reused
Internal UUID01a0ae79-e8a4-743a-b713-0583ceea7b68 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041809
StatusPUBLIC

Content hashes

Canonical text8afe7954b55d2a9806e87a786d761832c9a4cae9561754bd57a5338351459fe6
Markdowne70df2a57a222fdfc65623fc79796b97c0426f929a18c351316cf399906f0ac7
PDF
Publication pagea7d8e044da00657ba7e6574e6926f54f8c02d6fb9b8eaf29e999b4780006f644
Manifestccba260ec2f4e7a4164845339fba97d38a22d2940838885f3a2efaa916b4cb62

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
Signature8dcZoHq9k/qAdOiThWBT0ZwMflYIj0zrF3B1bToKThHuRYWiNnuMJVlii1aJhrRDHkg46mqvSKwDpjBIZUIADA==
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

2026-09-17T11:16:40.154002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041809
observed a7d8e044da00657ba7e6574e6926f54f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:40.137345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041809/manifest.json
observed ccba260ec2f4e7a4164845339fba97d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:40.119592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041809/publication.md
observed e70df2a57a222fdfc65623fc79796b97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:40.103334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041809/publication.txt
observed 8afe7954b55d2a9806e87a786d761832...
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.