OpenTechnical

OT-2026-000029445

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained 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-2026-000029445) never changes.

Identity and time

Publication numberOT-2026-000029445 · never reused
Internal UUID01a0ae73-5e21-79b2-bf15-2742b1be8609 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029445
StatusPUBLIC

Content hashes

Canonical text6b971451b44b8994403a130f2e1448dc59e3a2a95b82c14d7142aa2231cfbbcc
Markdown7c8595ccc729c7e380aa843b73c89cec7ba167565ef8a5736673a32ff22ad271
PDF
Publication page02032294293402776b0b8fd02b79036718570ac578ff7bfb68a798dd718c2faa
Manifest047aea01a981eda21ad4ed6d44dbb7cfea83906087fba878b89a801dbe86ba62

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
SignatureH6KpsEQ6QAUZEWJk8WcyETDqG3wEyVactolKbHINo3Wq0izAxac+ztJf9aZoSC2tBozdV/JFsrdVQjQ10I5IAA==
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

2026-09-17T11:39:03.844605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029445
observed 02032294293402776b0b8fd02b790367...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:03.828304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029445/manifest.json
observed 047aea01a981eda21ad4ed6d44dbb7cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:03.811538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029445/publication.md
observed 7c8595ccc729c7e380aa843b73c89cec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:03.792879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029445/publication.txt
observed 6b971451b44b8994403a130f2e1448dc...
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.