OpenTechnical

OT-2026-000039412

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000039412) never changes.

Identity and time

Publication numberOT-2026-000039412 · never reused
Internal UUID01a0ae78-9675-7392-9bb1-9ff867f79124 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039412
StatusPUBLIC

Content hashes

Canonical text86cd09d229fbeaef45c7d73f24f628347e5ff3e22427c270a776bd57821f921f
Markdownade9853f2c9276de93f384eb17a1a393d51109be8915c2e84f88a2c9c864f61f
PDF
Publication page746de76a634cc1c423b988a9a71e37c11a08a40b68dd977a45fbab8831962d6d
Manifesta42b09a434264a4cf923af78a40009201e1cdc933afab4480a7abc3d92ca5bf4

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
Signature79QYL+MzNmzwZ59dyiViSbUm9A2aqaBrECN+h/x/4PH4YsXOwK+/ALtercPkZCn96kOJDwsBLoo0q/Nd4umuDg==
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

2026-09-17T11:21:01.440797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039412
observed 746de76a634cc1c423b988a9a71e37c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:01.424597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039412/manifest.json
observed a42b09a434264a4cf923af78a4000920...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:01.407454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039412/publication.md
observed ade9853f2c9276de93f384eb17a1a393...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:01.389831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039412/publication.txt
observed 86cd09d229fbeaef45c7d73f24f62834...
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.