OpenTechnical

OT-2026-000051039

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, pressure sensor per zone, pulsed 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-2026-000051039) never changes.

Identity and time

Publication numberOT-2026-000051039 · never reused
Internal UUID01a0ae82-c7b5-7521-9249-ba95d6a2db9f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051039
StatusPUBLIC

Content hashes

Canonical textfa8f2fa0ca818cf87fed14e4e2a43ad4631965830a5b41774039c29a2c34bf8c
Markdownbe70a8acec26ede68af4c282f591b7969f82454b0774cbd00789367bd88ff858
PDF
Publication pagef30676437ccefd0c559af7e531e0c167f36743d39b1e7a5fca3cefd3a9dceb7e
Manifest8bbe83f42f7aec339a082fb131f9940bdcaa1ff4aa2dbed135cde7a312b3b91b

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
Signature5uCp1+WP2M4b4NMQUlDsUM1zv/EEcVoVsgxOKc455h7gguyJwAFbf+bfFoVwCmFolyzliMjthwQsvJzwWSSxAA==
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

2026-09-17T11:00:57.066035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051039
observed f30676437ccefd0c559af7e531e0c167...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:57.048588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051039/manifest.json
observed 8bbe83f42f7aec339a082fb131f9940b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:57.027289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051039/publication.md
observed be70a8acec26ede68af4c282f591b796...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:57.005136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051039/publication.txt
observed fa8f2fa0ca818cf87fed14e4e2a43ad4...
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.