OpenTechnical

OT-2026-000023505

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, sustained blow-off before 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-2026-000023505) never changes.

Identity and time

Publication numberOT-2026-000023505 · never reused
Internal UUID01a0ae70-7269-74d9-935c-9e8edfebb772 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023505
StatusPUBLIC

Content hashes

Canonical textde1c6da608d5a67b0bdbfcb907e413950f9d12a953b7756a0b7b26087aa5fb6f
Markdown5317db171aa802d4d585038b8dac3a7e97f1b994103e7dea586d559c9c978ebb
PDF
Publication page9f96da1e5dd1ecbbf7ccbc6373226f9813293dafede98eaab90f7587af8cef64
Manifest2be2a364be063ba28c7821788e86770aaab6d12b1169ff231a41f2101c3ce916

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
Signature8aZQQvsTf9IXLQhXYK6bxRAcXa6juMPiVljPy3rDOavo/a1/xCwr/CsVDZ1s23qa9U8CHo6DeAn8C31q4BGUCQ==
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

2026-09-17T11:51:44.349786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023505
observed 9f96da1e5dd1ecbbf7ccbc6373226f98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:44.331503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023505/manifest.json
observed 2be2a364be063ba28c7821788e86770a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:44.313823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023505/publication.md
observed 5317db171aa802d4d585038b8dac3a7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:44.292078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023505/publication.txt
observed de1c6da608d5a67b0bdbfcb907e41395...
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.