OpenTechnical

OT-2026-000047173

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, manifold pressure sensor, sustained 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-2026-000047173) never changes.

Identity and time

Publication numberOT-2026-000047173 · never reused
Internal UUID01a0ae7e-d0f9-76b5-9578-b8a5c1e5c685 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047173
StatusPUBLIC

Content hashes

Canonical text2e5b74e9395307ed2a59c2e292fc4047a7e82cb67162093f4406378950212683
Markdown70e8743d93cf18b3340181032c7b6975fa82f456d51277f257ef12e469dab80a
PDF
Publication page7efcc6045307e044b72dc495a6378c25ad7a93391f8b502d463f0b754e038014
Manifest93daca25cc204d36b616844802db0af005e796230c4985aea5201730ee1922ae

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
SignatureR+fkd9C+6zZopdgXSMt++LKC+ctPRdbQXiHlTpK0oNXNaTP+eOCuUFp4kvIf1CM9DJkGpx14+Hv5YWIzdyuKDg==
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

2026-09-17T11:10:32.478067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047173
observed 7efcc6045307e044b72dc495a6378c25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:32.456032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047173/manifest.json
observed 93daca25cc204d36b616844802db0af0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:32.432999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047173/publication.md
observed 70e8743d93cf18b3340181032c7b6975...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:32.411289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047173/publication.txt
observed 2e5b74e9395307ed2a59c2e292fc4047...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:59.529290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047173
observed 7efcc6045307e044b72dc495a6378c25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:59.509158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047173/manifest.json
observed 93daca25cc204d36b616844802db0af0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:59.490392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047173/publication.md
observed 70e8743d93cf18b3340181032c7b6975...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:59.471175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047173/publication.txt
observed 2e5b74e9395307ed2a59c2e292fc4047...
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.