OpenTechnical

OT-2026-000046047

Publication integrity record

Four bellows cup vacuum gripper, four zone face, plant vacuum fed, pressure sensor per zone, pulsed blow-off before 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-2026-000046047) never changes.

Identity and time

Publication numberOT-2026-000046047 · never reused
Internal UUID01a0ae7e-0329-7ca5-920c-0a381e3c925b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:29.080672Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046047
StatusPUBLIC

Content hashes

Canonical text995eee3fb1cb05dd08bf26c0abca41dd2b5923b1633182388b8cb758b52d2bd2
Markdown251b8ef8fe29a34f35d872819b79486d61d86e1c041538376c4a32fee11ea0bc
PDF
Publication pagebd864ddc03f51916f6f43f6ad0ea84613aed341c5ce8dd68e437438da67929da
Manifest5ca76287f42da788fe508c235593d569495e2a3fdf815b0504e9010963580feb

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
SignatureSkdsrbXRw0sHkfN3wTy5lhjboaHkSs6Ritp34awp7HwYDq2Kq/Towt7DFSJVynlfr9DRj+qqnBB+zUdcsJUXCw==
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

2026-09-17T11:09:00.137509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046047
observed bd864ddc03f51916f6f43f6ad0ea8461...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:00.120080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046047/manifest.json
observed 5ca76287f42da788fe508c235593d569...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:00.101801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046047/publication.md
observed 251b8ef8fe29a34f35d872819b79486d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:00.083370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046047/publication.txt
observed 995eee3fb1cb05dd08bf26c0abca41dd...
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.