OpenTechnical

OT-2026-000048613

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, sustained blow-off after set-down

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-2026-000048613) never changes.

Identity and time

Publication numberOT-2026-000048613 · never reused
Internal UUID01a0ae80-4de8-7cc7-ae38-b5aab553e477 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048613
StatusPUBLIC

Content hashes

Canonical text12f868b48aa46fdb9520b9fe0527c713a1fab1798eb6ef5f1cfdca130e535e21
Markdownf2e8840b3c0bcef8e7d9a6f95206a80e500b7cd8091cdb6bca495a3323671190
PDF
Publication page49bb01ee386d641f4863f6425b728a65122574daa59cd715a0dd4cf46cf2f77e
Manifestb5e66f838da6b0856ed828a9cf742a686ed7f7946d000723a538b52c23778f8a

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
SignatureVqGJK+PoEvSFi1CQc5jgykUpOPTiQ47GO8cb9ZZj6pTA0o7DjkaNpPAp6Z2oDLvVCPoDxA0cRFknxRwFGRO/CQ==
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

2026-09-17T11:05:25.814218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048613
observed 49bb01ee386d641f4863f6425b728a65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:25.795525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048613/manifest.json
observed b5e66f838da6b0856ed828a9cf742a68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:25.776417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048613/publication.md
observed f2e8840b3c0bcef8e7d9a6f95206a80e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:25.757679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048613/publication.txt
observed 12f868b48aa46fdb9520b9fe0527c713...
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.