OpenTechnical

OT-2026-000032105

Publication integrity record

Single cup vacuum gripper, common isolation valve, pump fed, pulsed 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-2026-000032105) never changes.

Identity and time

Publication numberOT-2026-000032105 · never reused
Internal UUID01a0ae74-f7a4-7ede-ab7e-c8fe85a42f5e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032105
StatusPUBLIC

Content hashes

Canonical textb7ab4bd13c0e1d4d5ec77ef26af6754ed60850287e6b9431fb7104ada37c77fc
Markdown2500de0ede2923d27bab87e82400b5f0402102232251e8b84ec218aa95581685
PDF
Publication page15a0091037356324a65771ead9d014b7ab71208ae8ace266421d467aa6e2e010
Manifest8c5d7ab5b48e822894791534aeb822079d8054fbbdf09a902c17e68b397011c7

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
Signature1JwNS0eSmb5IQFBpE9dSX5KJfKH4AVMKTdjZTsef9oK0KRMD6kaFR+RkWQlyKvRkOebNzUTIMV2gxh8pccSnDg==
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

2026-09-17T11:34:25.042079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032105
observed 15a0091037356324a65771ead9d014b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:25.025486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032105/manifest.json
observed 8c5d7ab5b48e822894791534aeb82207...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:25.007118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032105/publication.md
observed 2500de0ede2923d27bab87e82400b5f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:24.990474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032105/publication.txt
observed b7ab4bd13c0e1d4d5ec77ef26af6754e...
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.