OpenTechnical

OT-2026-000015369

Publication integrity record

Two cup 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-2026-000015369) never changes.

Identity and time

Publication numberOT-2026-000015369 · never reused
Internal UUID01a0ae6d-ef49-77c9-80ce-25e66065df94 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015369
StatusPUBLIC

Content hashes

Canonical texte8b14df2cb77a3a702b5a29a06aaf887042b2ce1593798925a44f4d7c4c37b2f
Markdown5279ebeeb2f0fa2280b08d4d242359713a4eef283a1db21e6cb846bd86fd3bbb
PDF
Publication page33ae0cf98ae47ec57209eba50827370620aee2872dc3712147aee08e48b1fbb7
Manifest2c2e0f1694f0498622e2f4d12611873e3d6cdac10f56541abd1b514be375ca24

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
SignatureVI9+CkSWtbyXtVDpJ6NBiHiOnWjMCCTMHTix73pBn8b/GyN7SWQVaPgpnahUAefFT+hNGEWEpT80utNCPfxTAg==
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

2026-09-17T12:06:04.949474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015369
observed 33ae0cf98ae47ec57209eba508273706...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:04.932189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015369/manifest.json
observed 2c2e0f1694f0498622e2f4d12611873e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:04.911602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015369/publication.md
observed 5279ebeeb2f0fa2280b08d4d24235971...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:04.893717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015369/publication.txt
observed e8b14df2cb77a3a702b5a29a06aaf887...
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.