OpenTechnical

OT-2026-000043531

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, manifold pressure sensor, pulsed blow-off before set-down

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-2026-000043531) never changes.

Identity and time

Publication numberOT-2026-000043531 · never reused
Internal UUID01a0ae7b-92cf-7b64-a512-dc26b2ea6032 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043531
StatusPUBLIC

Content hashes

Canonical texte11667c904c38f2e24983de2715dc6a7481b7544667c80de8a859121eda9f506
Markdown1e8d5e9ad0a5546bc3d26d77b1fbe91d0ed82eab0dee270e9db35af72f9cbda1
PDF
Publication page0c47616e6be4c252df7394f24ffca4dce4338ca07d93201680165425f0593d32
Manifest3349047a88ba626fa9b799698028574557a595ece0c4859e2b126ee931de22d2

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
SignaturewziML22AOunNyNRjJY/uxrQTbUnNpfLuxcPN0mwjftUMn/OtCvMhnSDzigeYvWqZeTGgdyZg//L9FsNeWBk8Cw==
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

2026-09-17T11:12:54.605750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043531
observed 0c47616e6be4c252df7394f24ffca4dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:54.585615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043531/manifest.json
observed 3349047a88ba626fa9b7996980285745...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:54.565399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043531/publication.md
observed 1e8d5e9ad0a5546bc3d26d77b1fbe91d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:54.544434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043531/publication.txt
observed e11667c904c38f2e24983de2715dc6a7...
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.