OpenTechnical

OT-2026-000029029

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, 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-2026-000029029) never changes.

Identity and time

Publication numberOT-2026-000029029 · never reused
Internal UUID01a0ae73-2a9e-7a0f-ad8c-a1e19f2038f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029029
StatusPUBLIC

Content hashes

Canonical textd2c0a747cc7d595de41febc6888f63d5930a93f6d84538b523c92a70b52e5258
Markdown571e733b8dae81d7e6cd4be3cdf036b35af2e36bf59d3589f59f713f3977c3c3
PDF
Publication page5c8fe0ca8fa7e74761b72723e5b083a253ee00a4921a5e3eff5d47bafe550cce
Manifest482baa30c56c50d55d7a1cf196a0ab5fef5b1759ef735822dfbecd20c0f4f44d

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
Signaturec6eMR/IgnbgjrM7pogQ+dnkn13lYTkNpgsIuQGb+OpeX+uN7nGB1x3NIh30wuROpP5FdYvrOtJzvYgUPUOD0Cg==
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

2026-09-17T08:20:37.707222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029029
observed 5c8fe0ca8fa7e74761b72723e5b083a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:37.688662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029029/manifest.json
observed 482baa30c56c50d55d7a1cf196a0ab5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:37.548766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029029/publication.md
observed 571e733b8dae81d7e6cd4be3cdf036b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:37.532111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029029/publication.txt
observed d2c0a747cc7d595de41febc6888f63d5...
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.