OpenTechnical

OT-2026-000041067

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000041067) never changes.

Identity and time

Publication numberOT-2026-000041067 · never reused
Internal UUID01a0ae79-b141-72e5-8a7f-6bd720ca3fb5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041067
StatusPUBLIC

Content hashes

Canonical textb3020e98f5c92a6419edc4c28bf0e6822def9372715cd35b08d518d055d20816
Markdown8fdd56d43811be29e0698afa54691b19d9d8b8647995b833f63e885216f4dbca
PDF
Publication pagec4e0add6a4b23042a1daf7b56f1f82f6a2dbb325b8b0a3538dfdeae0a6563e38
Manifest68e4f66b7fe749981001a9326e486931531c697034a9f35a0481a79bcf79567f

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
SignatureeyRUAqaMcmWuOt7/b1ca4UqoaFvUp7QpTrYg88B7zQrI/EvXys551WXyRMJ3suFriahf3hOimEg6xSexfxu3Dw==
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

2026-09-17T11:16:58.884418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041067
observed c4e0add6a4b23042a1daf7b56f1f82f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:58.869216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041067/manifest.json
observed 68e4f66b7fe749981001a9326e486931...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:58.853692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041067/publication.md
observed 8fdd56d43811be29e0698afa54691b19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:58.837266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041067/publication.txt
observed b3020e98f5c92a6419edc4c28bf0e682...
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.