OpenTechnical

OT-2026-000049706

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000049706) never changes.

Identity and time

Publication numberOT-2026-000049706 · never reused
Internal UUID01a0ae81-8fee-72ba-af08-489e44d117d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049706
StatusPUBLIC

Content hashes

Canonical textf8546dafb5fcbd75a8d70b5fabd105ee34fa0e3de0af7e728687e478e921ac1f
Markdownc0fceadd23ca7d360611ba91ca109e60ab6538b104fb3f62688c5ab90d5205d7
PDF
Publication pagef5c9c8afd0cd4d332d9a7eeb33fc9b46c8ca9fb060ce340c61553109bc3f0b66
Manifest6543c95702e0d0a0b9371bcba260bf861b2289c57ed58e4378fd16686438f88a

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
SignatureeKxUnfl0J5D/InQFE4RARpUC59AzSbgyCmP07dDz4Lg64exlUBSDEmT7BTqKxQI2aqLesSs/ySZsK5+4hfXrCg==
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

2026-09-17T11:02:43.275971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049706
observed f5c9c8afd0cd4d332d9a7eeb33fc9b46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:43.258471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049706/manifest.json
observed 6543c95702e0d0a0b9371bcba260bf86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:43.241298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049706/publication.md
observed c0fceadd23ca7d360611ba91ca109e60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:43.217961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049706/publication.txt
observed f8546dafb5fcbd75a8d70b5fabd105ee...
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.