OpenTechnical

OT-2026-000060428

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, three stage ejector, sustained blow-off after set-down

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-2026-000060428) never changes.

Identity and time

Publication numberOT-2026-000060428 · never reused
Internal UUID01a0ae8a-b7cb-785f-8663-1e0ed08146c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060428
StatusPUBLIC

Content hashes

Canonical text7f70fd6c79508c10c0f48da592a5cbab9e2182673f683696063842e654f097f8
Markdownd9ac6fcdfe01c63660d557945c1463c2ffe47ade23d3c4df4c9a739d6bc06977
PDF
Publication pagee2c267ea12d58ab63657e802af5f427ff6d97daaf9dfe14ed0b026e56109d1fe
Manifest1683bce1c95ddab6cb4e3eda464a8b551e77e9346753142774bcbfb37de9544e

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
SignatureAs96D04wkyyMMldEO7uLiMc+ucsE9Ys2cLY7pCmJVvFgcubS4qWco0AZOLaJgVQ2XMlOgcZvXQnfFVE4AP+MAA==
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

2026-09-17T10:42:54.226614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060428
observed e2c267ea12d58ab63657e802af5f427f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:54.209503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060428/manifest.json
observed 1683bce1c95ddab6cb4e3eda464a8b55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:54.191686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060428/publication.md
observed d9ac6fcdfe01c63660d557945c1463c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:54.174901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060428/publication.txt
observed 7f70fd6c79508c10c0f48da592a5cbab...
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.