OpenTechnical

OT-2026-000029499

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, pulsed 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-2026-000029499) never changes.

Identity and time

Publication numberOT-2026-000029499 · never reused
Internal UUID01a0ae73-5e21-7c11-8b00-cb33e337c455 · 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-2026-000029499
StatusPUBLIC

Content hashes

Canonical text9adb0cb0edc99a09dff98595588cc815a7cc97ee5df59644e417ac871d7203fa
Markdownc66a7387b35292ae3b3c00d4373a62d9c8d3b4ffdddb962573b12bf8b28ee914
PDF
Publication paged8f7935816be20ed6b9be8aa6d7527cce2794e90afd902d7b6279a642e5c63a9
Manifest149fe9451848a915df0ab8ccca2ed4c1064cbf19764cdefe9ac749c708bd09f2

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
SignaturePAiCtyMp6WrGmfQrmU1O3GgkkUxgxXwe9l8z2RY6sxYWkpW+d0p2li1t7dvBLt5LKXTU3rJgvzUVplZyi5fNCg==
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

2026-09-17T11:39:07.845596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029499
observed d8f7935816be20ed6b9be8aa6d7527cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:07.828989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029499/manifest.json
observed 149fe9451848a915df0ab8ccca2ed4c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:07.809979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029499/publication.md
observed c66a7387b35292ae3b3c00d4373a62d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:07.791522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029499/publication.txt
observed 9adb0cb0edc99a09dff98595588cc815...
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.