OpenTechnical

OT-2026-000020429

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000020429) never changes.

Identity and time

Publication numberOT-2026-000020429 · never reused
Internal UUID01a0ae6f-437b-751c-bdc0-e933d7b63fa0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020429
StatusPUBLIC

Content hashes

Canonical textb593e6d0c7739cf1c3d00af2b6c2741b40c4290a43d9a04b2475c6f28b2bcd66
Markdown0c7ece80964a604fa772295a7174d878b59eda779fb1095ab98426b96e2fdbe8
PDF
Publication page1f9d08c372536d1140361525b004b806b0cf4ac246dbb6d54a9fc5ffd470e76b
Manifest2472b34dd86687c2328b279249247d6ff1dc0c80497d277a1378fc708a9ebbe6

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
SignatureVCsvap6TrwYvPh8gK74wQSKFsrRqMvzknGzgGI4jYUZgdHqE+wGJ1KBVZ+FCGax+kRmZjZQBF+TITnjRNUXCAQ==
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

2026-09-17T12:00:20.770223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020429
observed 1f9d08c372536d1140361525b004b806...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:20.749848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020429/manifest.json
observed 2472b34dd86687c2328b279249247d6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:20.731072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020429/publication.md
observed 0c7ece80964a604fa772295a7174d878...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:20.712363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020429/publication.txt
observed b593e6d0c7739cf1c3d00af2b6c2741b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:24.673930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020429
observed 1f9d08c372536d1140361525b004b806...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:24.657299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020429/manifest.json
observed 2472b34dd86687c2328b279249247d6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:24.639934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020429/publication.md
observed 0c7ece80964a604fa772295a7174d878...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:24.622359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020429/publication.txt
observed b593e6d0c7739cf1c3d00af2b6c2741b...
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.