OpenTechnical

OT-2026-000022911

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, pulsed blow-off before 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-2026-000022911) never changes.

Identity and time

Publication numberOT-2026-000022911 · never reused
Internal UUID01a0ae70-46eb-7838-80ef-03baa9d8a8ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022911
StatusPUBLIC

Content hashes

Canonical textf9ad7f097f36f6869b5c4bde23ee6719311f0a0940056057c6d4624f51825dbe
Markdown10e233f2a93c026548a9a79c6fe452f5063ad4ce1949e35c3a1b2a121149b13d
PDF
Publication page04414d123f51ab1e0fcc3b888867183d77fc1fb5956406f55b700bc507d9bb8e
Manifest9edd74085e6e76c8c9d9d514885a819c4b674c78406551cb41e0211019da8d03

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
Signaturef/k8fYGFbtUrZtjhyIrfd/O75HdFImi/Kwn6K6mQjVtM39nzhPUOmfLIup/YFUyAV37zSHBQkfTSdCi3gPm5Dw==
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

2026-09-17T11:52:29.140654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022911
observed 04414d123f51ab1e0fcc3b888867183d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:29.122857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022911/manifest.json
observed 9edd74085e6e76c8c9d9d514885a819c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:29.105765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022911/publication.md
observed 10e233f2a93c026548a9a79c6fe452f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:29.088763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022911/publication.txt
observed f9ad7f097f36f6869b5c4bde23ee6719...
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.