OpenTechnical

OT-2026-000041884

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, pulsed blow-off after 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-2026-000041884) never changes.

Identity and time

Publication numberOT-2026-000041884 · never reused
Internal UUID01a0ae79-e8a6-7e64-8e84-e75e6d389422 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041884
StatusPUBLIC

Content hashes

Canonical texte27e44a0ca571eaf87914e68fd6db4c22be6e45e41e32e262129d1276682fd56
Markdown11b1cd039832c144d36ecfd9200ef4af5a06bd81c4a1b845964abbc19ff36583
PDF
Publication page849ef1eb4a2e4f7f1906e971423f67339e4f0a741507898955f0fffe22d85ae1
Manifest0e4e9c1e225622fefeace454e1e4e70ede12fda7cc6e097b79e5ed8c50a4f01c

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
Signaturefu2UiBFrem9zUtoZDM/C2KkVE4GewjCw+U98CBhr7gJVs8DksXEWb44Y4DPssOllzDjhQXEKlZhhVmXecYGqCQ==
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

2026-09-17T11:16:45.605144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041884
observed 849ef1eb4a2e4f7f1906e971423f6733...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:45.587744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041884/manifest.json
observed 0e4e9c1e225622fefeace454e1e4e70e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:45.569760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041884/publication.md
observed 11b1cd039832c144d36ecfd9200ef4af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:45.550879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041884/publication.txt
observed e27e44a0ca571eaf87914e68fd6db4c2...
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.