OpenTechnical

OT-2026-000090206

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000090206) never changes.

Identity and time

Publication numberOT-2026-000090206 · never reused
Internal UUID01a0ae9c-428f-7837-b473-e5a2662ba8c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090206
StatusPUBLIC

Content hashes

Canonical texte9a7bf4a6e5a779d70525bd4349b67b2d3f73ad7cc046f868d04d7d11b1a6ac0
Markdown239dd22826627af3adeb277ad039e93662e3618cae4f9eb593a5b820123589fb
PDF
Publication page2bea239091ec80010635f798a351ab30c055b2b1619214d335d179b239787427
Manifest662dd78489365ba8c65d3c23210011bd2363501d5087264dd7b59f60444cc7c1

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
SignatureBsvjTPQ2U/j23X+kRPBrUYlknY2n2Emy838ELMDmcE3RadrZoy99q+5ppKezJRzMXstUqoNIZ8eD5gQgX03ZCA==
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

2026-09-17T09:46:16.862068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090206
observed 2bea239091ec80010635f798a351ab30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:16.842889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090206/manifest.json
observed 662dd78489365ba8c65d3c23210011bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:16.824133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090206/publication.md
observed 239dd22826627af3adeb277ad039e936...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:16.806506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090206/publication.txt
observed e9a7bf4a6e5a779d70525bd4349b67b2...
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.