OpenTechnical

OT-2026-000061741

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, vented 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-2026-000061741) never changes.

Identity and time

Publication numberOT-2026-000061741 · never reused
Internal UUID01a0ae8b-b8aa-76af-80b0-51f5b6336e61 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061741
StatusPUBLIC

Content hashes

Canonical texte45ba37bd5216b76cad575ec34a5eae021b5a6e6d35a533415721855886163ff
Markdowne843c074500a866822dc419a42a84b655bffee3db5d689e9f7f570f4babf18fa
PDF
Publication page3a6f5287ec53512b3021479b6eabc2f00a5cf4d270241505ca4ee1e4e9ada088
Manifesta3a9322de7813d8480414a962f4f9ade794aae2042975f25bf846fb3016c8076

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
SignatureoMA59ri+8hN5i1hlHWGKDqcBdx1zpiRgYKkmQy7mOhUZT6wnwvOxflMtONXZS/huQXPFzS8RQZqu9Ib7r8gXBg==
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

2026-09-17T10:40:26.066902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061741
observed 3a6f5287ec53512b3021479b6eabc2f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:26.046921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061741/manifest.json
observed a3a9322de7813d8480414a962f4f9ade...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:26.025816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061741/publication.md
observed e843c074500a866822dc419a42a84b65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:26.003371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061741/publication.txt
observed e45ba37bd5216b76cad575ec34a5eae0...
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.