OpenTechnical

OT-2026-000048469

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off after 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-2026-000048469) never changes.

Identity and time

Publication numberOT-2026-000048469 · never reused
Internal UUID01a0ae80-4de5-77c1-b527-dbea988799f0 · 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-2026-000048469
StatusPUBLIC

Content hashes

Canonical texte0cd51dd6bae95e8be18191e24d20d06984f4b9042d8a3c9c92f06e1a8c236a8
Markdown8339d5f484db80fc6b5e026698bab38d2a44b1b9ff196503a932acf34d08849a
PDF
Publication page3ed79c00f62349017dbdcb748ef692541c53a3cbcd4422bae967d56231c3d852
Manifestff34b59c22925624acfbb1866640452b9b71d93b886fc3bbdbe6a45b0ba8793c

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
SignatureOSHYMXCbaTymG5hjOJEtUoxkdjE+FIqvz7JbwxITO/hkeoPBTkLtQtnQZ85VSE5fJed+ZB1D49eUFluXlibJCw==
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

2026-09-17T11:05:07.913620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048469
observed 3ed79c00f62349017dbdcb748ef69254...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:07.893458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048469/manifest.json
observed ff34b59c22925624acfbb1866640452b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:07.873922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048469/publication.md
observed 8339d5f484db80fc6b5e026698bab38d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:07.853865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048469/publication.txt
observed e0cd51dd6bae95e8be18191e24d20d06...
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.