OpenTechnical

OT-2026-000104268

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, three stage ejector, 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-2026-000104268) never changes.

Identity and time

Publication numberOT-2026-000104268 · never reused
Internal UUID01a0aea5-3420-74fd-8ec3-6dde8a06b23a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104268
StatusPUBLIC

Content hashes

Canonical text35170c99922ac50e257ae2090cec109f3f5a41a4bf2d21843bb8ed3240ce54d0
Markdown5ade29c1f6db7d78e8ea69f238e773b514d5cc857769da7d4dd706254f96a362
PDF
Publication page3e7a1c8c9870e02578143ab266767d30a9eac891c540112df5511027cb559bf7
Manifest91f3f52e833ed170edbfb28c147b6d1479b4d7193c2baeeda209bb4d09f26603

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
Signaturegn2RyLomV2ak0A7CUX9dOe6j14JMl6I4qG7QoAJcHVt8nsZePyinwE/Qhl+aolZGKtEjjrOto+zLRGPnxY3XAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:20:22.953123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104268
observed 3e7a1c8c9870e02578143ab266767d30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:22.936118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104268/manifest.json
observed 91f3f52e833ed170edbfb28c147b6d14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:22.919691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104268/publication.md
observed 5ade29c1f6db7d78e8ea69f238e773b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:22.901868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104268/publication.txt
observed 35170c99922ac50e257ae2090cec109f...
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.