OpenTechnical

OT-2026-000044368

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000044368) never changes.

Identity and time

Publication numberOT-2026-000044368 · never reused
Internal UUID01a0ae7c-39d7-7245-8698-8618f8fe7f14 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044368
StatusPUBLIC

Content hashes

Canonical textdeee1389efc4a2233f5b85048ef92bf943f3d0406f1ba49573d9ce3b9544f6d6
Markdownaa9d6c9368188850f6798dce998e01d9f5797cdca31e9570dc663ef65dd10151
PDF
Publication pagebcd62b60d8efc70e2732712a31097d5b968a66600cd64d1c49f3b50a14326290
Manifestfa79382a5b028b6ff03f4d368a523fefff831ee40ee6131848ad5b5c9c3c8653

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
SignatureGRDb/ldArK0RZDGEZemxvk2x4yL+UMhcahXOuQmrDMhSSJOz+Rn0Zh8v9VdJwf6tutAciLcX1rWKOPed09jRDg==
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

2026-09-17T08:30:30.529582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044368
observed bcd62b60d8efc70e2732712a31097d5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:30.510035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044368/manifest.json
observed fa79382a5b028b6ff03f4d368a523fef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:30.488552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044368/publication.md
observed aa9d6c9368188850f6798dce998e01d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:30.461914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044368/publication.txt
observed deee1389efc4a2233f5b85048ef92bf9...
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.