OpenTechnical

OT-2026-000013012

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000013012) never changes.

Identity and time

Publication numberOT-2026-000013012 · never reused
Internal UUID01a0ae6d-5564-7b26-b0cd-ecd96923486e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013012
StatusPUBLIC

Content hashes

Canonical text08e5480fa50712dcab8eeb31bed96e6289ea18a61376811a64a507bcf382e527
Markdown64a432359e35f0c043520cbeb6d78c023bc750a3cd414264a5f7e0e32aaf277e
PDF
Publication pagef48b6cc2d3c18407362213fb0294249bfed92bbb3c6e8b3f83f34c80b4dc4621
Manifest97bb2da993de9d2b91d3080661876dae48aac0548610e225066d0118ea17fdff

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
SignatureOaJZ0o0zZ+WI+Gx43JGpO1Eq9n+Cy0HsdWZ/66v0FYc/DTZ3GKhrpelmhUrqUre111Cxf1/E6f7LUI39HEkbAA==
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

2026-09-17T12:10:50.126644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013012
observed f48b6cc2d3c18407362213fb0294249b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:50.108182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013012/manifest.json
observed 97bb2da993de9d2b91d3080661876dae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:50.089334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013012/publication.md
observed 64a432359e35f0c043520cbeb6d78c02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:50.066766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013012/publication.txt
observed 08e5480fa50712dcab8eeb31bed96e62...
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.