OpenTechnical

OT-2026-000012140

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000012140) never changes.

Identity and time

Publication numberOT-2026-000012140 · never reused
Internal UUID01a0ae6d-39f4-7cea-9080-92c6cf36e730 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012140
StatusPUBLIC

Content hashes

Canonical text5595a63fcd4f502e2b9dd2d3baae38fb27827d8315b94909b7d536d195ed4712
Markdown1ff9b63cec5a2125a99285efeb1784e02c8fec6463219c9cc6487f447c5421e9
PDF
Publication page70e7e2aa9cca75f1e0192818cd1a391538f1c6b8d15f247400af8c49ae7e4a44
Manifestfa5920d97c51e0c18ff0972cd32809e88991868fd0c2dab8f848cae0d4217b57

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
SignatureoEk2M2ED2DhTPOivy4lhTwWgKZu3QDyC/cDC6pAFhEWoHgnq6H/DiyUCgzNqz8xDVPOHcfIpcGFjzD9FJYEIAg==
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

2026-09-17T12:11:01.875840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012140
observed 70e7e2aa9cca75f1e0192818cd1a3915...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:01.856484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012140/manifest.json
observed fa5920d97c51e0c18ff0972cd32809e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:01.737138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012140/publication.md
observed 1ff9b63cec5a2125a99285efeb1784e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:01.716652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012140/publication.txt
observed 5595a63fcd4f502e2b9dd2d3baae38fb...
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.