OpenTechnical

OT-2026-000029850

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000029850) never changes.

Identity and time

Publication numberOT-2026-000029850 · never reused
Internal UUID01a0ae73-ac47-70ef-8912-aa07285fd10a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029850
StatusPUBLIC

Content hashes

Canonical textd58da7fe267077a6fcb4a9e0c5f690e316b9dd9ee4b8a174c344fb404a55bdf8
Markdown9e04f1b66d2bae64267a77b75267558c54b38da4e61ac8e273f63b625eb53a44
PDF
Publication pagea1b6affcdc197be0b09f8c687a1e755d12364d21f47abcbaf1dda23b4b0f8111
Manifest66e37f6f42527e3fda3d1af443cd35b53597c45a8032b4c5f5a4832c60ce33ec

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
SignaturembvGJn/baQvojOFTKj6nkkLNkOQTQwCv2a3GXe3fj0+3+H4XwpcBlI+0oCeMEVYWNsbUkKWqMFfd/CZz/rQwCQ==
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

2026-09-17T11:38:32.588534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029850
observed a1b6affcdc197be0b09f8c687a1e755d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:32.570092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029850/manifest.json
observed 66e37f6f42527e3fda3d1af443cd35b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:32.553159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029850/publication.md
observed 9e04f1b66d2bae64267a77b75267558c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:32.534137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029850/publication.txt
observed d58da7fe267077a6fcb4a9e0c5f690e3...
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.