OpenTechnical

OT-2026-000030900

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000030900) never changes.

Identity and time

Publication numberOT-2026-000030900 · never reused
Internal UUID01a0ae74-3fb6-795d-9d52-f0b032beafb7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030900
StatusPUBLIC

Content hashes

Canonical text9676c7c8f149b8e1edb496b7e211d71f2c956a688dad58d24f01372b6c14bd56
Markdowndbeae2075e9d25bf0ab03caa32191702739687bc3b70ed2be3e636c684397e76
PDF
Publication page82b58e4f854447926ce59b188cd063f1549021031147ad6ba6fda9dfdc02a7e6
Manifestd0c546e884624492b491a1a0f33ee81e2b830165a240657c9feb72f3b1124c13

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
SignatureiSX/hFcvE8QoPgq56TTkyAqT6YlMLcUzXdKOWV1I9ddjeR4Dr56Lk1bXKg87OJ1EXloBTtZkD0sOgvdeyEmXDg==
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

2026-09-17T11:36:53.185529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030900
observed 82b58e4f854447926ce59b188cd063f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:53.166753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030900/manifest.json
observed d0c546e884624492b491a1a0f33ee81e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:53.147380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030900/publication.md
observed dbeae2075e9d25bf0ab03caa32191702...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:53.128111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030900/publication.txt
observed 9676c7c8f149b8e1edb496b7e211d71f...
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.