Pith Number

pith:2NGGA46P

pith:2009:2NGGA46PNHZGFDIRSHAWPYGEQW

not attested not anchored not stored refs pending

Characterization and Tuning of Ultra High Gradient Permanent Magnet Quadrupoles

D. Habs, F. Gr\"uner, H. Backe, M. Bussmann, M. El Ghazaly, M. Fuchs, P. Kunz, R. Weingartner, S. Becker, S. Raith, S. Schramm, W. Lauth

arxiv:0902.2371 v3 · 2009-02-13 · physics.ins-det · physics.acc-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2NGGA46PNHZGFDIRSHAWPYGEQW}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-04T16:37:20.817627Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d34c6073cf69f2628d1191c167e0c485b3532329bb5a6b3efd7500f5cd64447a

Aliases

arxiv: 0902.2371 · arxiv_version: 0902.2371v3 · doi: 10.48550/arxiv.0902.2371 · pith_short_12: 2NGGA46PNHZG · pith_short_16: 2NGGA46PNHZGFDIR · pith_short_8: 2NGGA46P

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/2NGGA46PNHZGFDIRSHAWPYGEQW \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: d34c6073cf69f2628d1191c167e0c485b3532329bb5a6b3efd7500f5cd64447a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3959b53275da356fda59ab4357b7b5a04e9d94181979ae69dc85af1d5e76f4b8",
    "cross_cats_sorted": [
      "physics.acc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2009-02-13T18:43:22Z",
    "title_canon_sha256": "5a7db4a084384a33dddc78a7d0ff5bf44023f65bd435f44016ec0ba3cbd8dcb6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.2371",
    "kind": "arxiv",
    "version": 3
  }
}