OpenTechnical

OT-2026-000040560

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000040560) never changes.

Identity and time

Publication numberOT-2026-000040560 · never reused
Internal UUID01a0ae79-6d0d-7efc-9359-73dbc58d22c2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040560
StatusPUBLIC

Content hashes

Canonical textc0ce776b59e0d2984fb58b6b82517711c66017168b52b273d6c41681223016c7
Markdown8e05dfc1f4f5edce069bc1601fa65286c422cb42ba82cec2870e6b294c9f5d9e
PDF
Publication pagedc34d3112167203ecfa2bcb8ec9dabc297865cd814dc15dcd92496ecfb8008bd
Manifest7e698e89c3a8592ef5326be4c32c543afef9c77603a4a80bdf6db8c95664458a

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
SignaturexCz94a4flJA8+9h/ba1q14gRUaImaxekCqTdUpKv3JGWyhF97e/xdnEOmGLPMgPRSL844oJ97T2uSx3RE7cYDw==
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

2026-09-17T11:17:43.425407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040560
observed dc34d3112167203ecfa2bcb8ec9dabc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:43.407664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040560/manifest.json
observed 7e698e89c3a8592ef5326be4c32c543a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:43.391441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040560/publication.md
observed 8e05dfc1f4f5edce069bc1601fa65286...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:43.374237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040560/publication.txt
observed c0ce776b59e0d2984fb58b6b82517711...
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.