OpenTechnical

OT-2026-000017729

Publication integrity record

Four cup vacuum gripper, four 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-2026-000017729) never changes.

Identity and time

Publication numberOT-2026-000017729 · never reused
Internal UUID01a0ae6e-96fa-7ef0-9619-a927eac37620 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017729
StatusPUBLIC

Content hashes

Canonical text7502b8d22ded854b4af5e5dd2a48cfe15d3b28fc01496ad2ca85b5b1194d24b7
Markdown6592627da1d8308e67c4568832080a3fbe65e977de3026085a97610dbcb5ad68
PDF
Publication page00716b99f8faa3272170647475f90d12ba49db3bf71e6ef368dd2bccd2fbd1df
Manifestf3429e3a67d9b209e1014e223d65af0df6fc233b39f1cd21276d82eb7862a6d8

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
SignatureZVNz+k7AGGZ5/vATNbTj5uQWy6xazN9DFp7PaDaOHuAPjt8Q4LYpRYPrK2h2jdDEOwdVutzJ4Rxjuhv6vPVWAA==
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

2026-09-17T12:01:40.796680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017729
observed 00716b99f8faa3272170647475f90d12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:40.778938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017729/manifest.json
observed f3429e3a67d9b209e1014e223d65af0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:40.762153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017729/publication.md
observed 6592627da1d8308e67c4568832080a3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:40.746286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017729/publication.txt
observed 7502b8d22ded854b4af5e5dd2a48cfe1...
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.