OpenTechnical

OT-2026-000058112

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, 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-2026-000058112) never changes.

Identity and time

Publication numberOT-2026-000058112 · never reused
Internal UUID01a0ae88-6eda-7b72-82f9-c4d9e3371b81 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058112
StatusPUBLIC

Content hashes

Canonical textb8a053c36036b8c46db229cc06dd9d7d3b089dde4ea6254ba61e8d263f1e3759
Markdown907efc6e3e5c048a7812e3f0d5486ed2fa9a82eebdd7b86e524f8890b109c9c7
PDF
Publication page6a763971e61e98bb0c8e799ba935950cd44aed2dc500748dbf8da16cf1cf4943
Manifest407a5945417b1a539bada9f10537dcb08c999edccf9cc345f84b483b7eecaac8

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
SignaturenwVxFRSHs2GV03r7cQm0IdYx+pL+DI/nLKj13wMx182x9cMD244vlwXrjWnZ7HO3rf/dLEfWdB0unnawuVn6Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:47:47.205022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058112
observed 6a763971e61e98bb0c8e799ba935950c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:47.186285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058112/manifest.json
observed 407a5945417b1a539bada9f10537dcb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:47.167689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058112/publication.md
observed 907efc6e3e5c048a7812e3f0d5486ed2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:47.149029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058112/publication.txt
observed b8a053c36036b8c46db229cc06dd9d7d...
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.