OpenTechnical

OT-2026-000013140

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, 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-2026-000013140) never changes.

Identity and time

Publication numberOT-2026-000013140 · never reused
Internal UUID01a0ae6d-6fc8-7b71-9579-1bf21357d512 · 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-2026-000013140
StatusPUBLIC

Content hashes

Canonical texte19c127c3b64dc4ba3be90a4ee9ed14c601e84a023d7ccd379694c9c75e9ba26
Markdown5e46559f12203b71ba0d0cee623a916f748490a9bd81a94f7d8fcca9e5e85cc9
PDF
Publication page51171f7a697e71a4b3d79ae349e5df3795a326473dcd73b1123c6e4fbb87b617
Manifest206710441678fe282c9527e7116d2636ff3bff650f093e3ebf9b5724c3895e74

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
SignaturehspSvD3Z/msZY9lFiL5v6CrEjvX0gBFXoP763Azqw3grsZHnUCSXmlPdtcJh587ubjxVg0Id1r2pjtElvutOAQ==
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

2026-09-17T12:09:30.169405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013140
observed 51171f7a697e71a4b3d79ae349e5df37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:30.150168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013140/manifest.json
observed 206710441678fe282c9527e7116d2636...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:30.128043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013140/publication.md
observed 5e46559f12203b71ba0d0cee623a916f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:30.106769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013140/publication.txt
observed e19c127c3b64dc4ba3be90a4ee9ed14c...
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.