OpenTechnical

OT-2026-000019686

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000019686) never changes.

Identity and time

Publication numberOT-2026-000019686 · never reused
Internal UUID01a0ae6f-1fb3-7bf2-88c5-784251acca82 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019686
StatusPUBLIC

Content hashes

Canonical text39695fbc900c6500db5fd2e736baa375fc3969daa31959e4a92fccc400ff2207
Markdown072d8eb05cd305f3eb32d778bca66cf82953db2856ec9a755b6565e0d730a698
PDF
Publication pagee76938646a7d467ffd6d2c8db6d9e0cef851a7536fbdc3a7b6509753b2581deb
Manifest89e7108b9aff2c7871c39c1f58e60d1eca2e443d8016f99a84a1a83e168b8589

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
SignaturesKFpyyIXwQcnN8u9yfqTuLEtMnIhjr3XxKqAbBUruYiMFQvVxIql2OHkEaJuzegThgGtfbEuWnSzSiuXt1ChAQ==
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

2026-09-17T11:57:45.775001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019686
observed e76938646a7d467ffd6d2c8db6d9e0ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:45.755947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019686/manifest.json
observed 89e7108b9aff2c7871c39c1f58e60d1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:45.690263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019686/publication.md
observed 072d8eb05cd305f3eb32d778bca66cf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:45.637207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019686/publication.txt
observed 39695fbc900c6500db5fd2e736baa375...
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.