OpenTechnical

OT-2026-000089252

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six 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-2026-000089252) never changes.

Identity and time

Publication numberOT-2026-000089252 · never reused
Internal UUID01a0ae9b-db00-7aba-a52d-c30d3569ebe0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089252
StatusPUBLIC

Content hashes

Canonical text8670eb54f2b5d3fef7d39d66ba119fa027918dd6e71b3a39f0567c951a077bf7
Markdown6431ed2d81afac497c3b46c406afd25c814e5e7e6a6122a26360fbf2fcc7f95a
PDF
Publication pagef6855fa0784689f532464ec85fedcd8349a423bc5bd7ecd129a7ff28959cb639
Manifest28ef6c2f14332f848d505ac6abfdfea3dfa813654a69a06351cce31afbc700d0

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
SignatureoOTzT2h19WUHtEfCaXvjcXvmypPFOEvBWf3YrDJk/5CaUj99Xbk6toosftgS7b1bnW/KywBh2DxrfzPovQhVBw==
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

2026-09-17T09:47:17.221972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089252
observed f6855fa0784689f532464ec85fedcd83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:17.205366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089252/manifest.json
observed 28ef6c2f14332f848d505ac6abfdfea3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:17.188471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089252/publication.md
observed 6431ed2d81afac497c3b46c406afd25c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:17.170158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089252/publication.txt
observed 8670eb54f2b5d3fef7d39d66ba119fa0...
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.