OpenTechnical

OT-2026-000024189

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, sustained blow-off before 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-2026-000024189) never changes.

Identity and time

Publication numberOT-2026-000024189 · never reused
Internal UUID01a0ae70-e8c7-7342-af06-ab4ef1d40c3d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:10.360874Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024189
StatusPUBLIC

Content hashes

Canonical text25db7aeaba6899925b663a01e93dd06de962519e662e5bed4cbe90f142a98022
Markdown44117656c005e38616e6781c0fda953f5db860cf94deadd6bec9cfde70e0b615
PDF
Publication page8113899324be212ed85e89ebe280f3adecaacf063b7e51779ff496082a719042
Manifest121d6906fb9a6531e7b016250ec0e01954fd308f02a583aba9fef138060de2c5

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
SignatureUmsouHznk605Hgaoc4WMVXftkyJlNHbm37OHwNz//uq8OWWnjK2vDSdg+W0AnDE2cx4gPAdxVVwQr6yNDLvGDQ==
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

2026-09-17T11:48:38.772236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024189
observed 8113899324be212ed85e89ebe280f3ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:38.755570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024189/manifest.json
observed 121d6906fb9a6531e7b016250ec0e019...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:38.738645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024189/publication.md
observed 44117656c005e38616e6781c0fda953f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:38.720882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024189/publication.txt
observed 25db7aeaba6899925b663a01e93dd06d...
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.