OpenTechnical

OT-2026-000025182

Publication integrity record

Foam pad vacuum gripper, 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-2026-000025182) never changes.

Identity and time

Publication numberOT-2026-000025182 · never reused
Internal UUID01a0ae71-5fa6-7271-903b-6dc71b841f4a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025182
StatusPUBLIC

Content hashes

Canonical text4874b70d403037e7baf0b5d08c4effc62c0b69d585903948c4f38f1e620e7e44
Markdownbba6ea08f278ef78e8bf7a31362693b60c5cd738d4958d10c7d929a2473206a9
PDF
Publication page8b8e9bc2830abf784f1e484b74f3cd1bb3002d95a508f6becb0dfcd6854f0c44
Manifesta94f1c3f972916189161577658c5fc40cccbe745e241bafca1a50f730b9d27ff

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
SignatureDkFRkJnXvx5Kb1V11AuTpEkoK7C5bntfqiEmf/bUfVSSoRI8UZwFqBpU4t727op2MTS40G0ymBRScCm9f5pOCw==
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

2026-09-17T11:47:09.848842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025182
observed 8b8e9bc2830abf784f1e484b74f3cd1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:09.829778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025182/manifest.json
observed a94f1c3f972916189161577658c5fc40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:09.807330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025182/publication.md
observed bba6ea08f278ef78e8bf7a31362693b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:09.789275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025182/publication.txt
observed 4874b70d403037e7baf0b5d08c4effc6...
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.