OpenTechnical

OT-2026-000029474

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, supply line 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-2026-000029474) never changes.

Identity and time

Publication numberOT-2026-000029474 · never reused
Internal UUID01a0ae73-5e21-7bbb-8a1c-9a3015929b6a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029474
StatusPUBLIC

Content hashes

Canonical text99bc45de8dfa3118794c91e279948bf142be5bd199e1328a230d764c41b490b9
Markdown74016a04997f8ab368f5c55e0f5b6c3b7adb4cc5525b55e9bc48f2bc635655d2
PDF
Publication page782f2b40ca0180e870c34aef3565a03acf992a957cd069ca82e29198f856f627
Manifest5ba3ec995cc4cce83416e735c18d72010af4c5606e54ace0ad3ccfa8ab2df585

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
SignatureoLRtINQnTnrF6+qm379xKbI0ha37yXw2hsNVvuM9GjGXhiEMi8HlW9ajh+3DbOGETB71rtnda5V6LfrHSxUjBg==
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

2026-09-17T11:39:05.903112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029474
observed 782f2b40ca0180e870c34aef3565a03a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:05.886905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029474/manifest.json
observed 5ba3ec995cc4cce83416e735c18d7201...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:05.867384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029474/publication.md
observed 74016a04997f8ab368f5c55e0f5b6c3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:05.848429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029474/publication.txt
observed 99bc45de8dfa3118794c91e279948bf1...
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.