OpenTechnical

OT-2026-000013511

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, 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-2026-000013511) never changes.

Identity and time

Publication numberOT-2026-000013511 · never reused
Internal UUID01a0ae6d-6fcb-752d-8baa-989527b16a6c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013511
StatusPUBLIC

Content hashes

Canonical text0c581ddfc041fa61d3be8afbe232e63e05e59741193233b11bb8f59a06a077e2
Markdowna7bb5b35b1e4db203051aa73d62162e3cb2d5fa1069f787c1f4d2ab7a030a694
PDF
Publication pagea431e6185ec6445e6c6b6e6a5496a1eee50a73b096d52bb246ff9d05dc6e9cd4
Manifestc41ee1db1c93b76da8753e21822150805448af82e88569a2602af8298e77e0ba

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
Signature+A6wZZBwCnUK2wLZO/0Sk8ahHyjE311DGDZkHLXRH+Htz+CSe0mF5VNzZZsKyxWbbZ7uaiW1YCE8pQmkAg6HDA==
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

2026-09-17T12:10:01.450796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013511
observed a431e6185ec6445e6c6b6e6a5496a1ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:01.431601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013511/manifest.json
observed c41ee1db1c93b76da8753e2182215080...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:01.400699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013511/publication.md
observed a7bb5b35b1e4db203051aa73d62162e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:01.372295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013511/publication.txt
observed 0c581ddfc041fa61d3be8afbe232e63e...
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.