Pith Number

pith:QR7XUBRO

pith:2013:QR7XUBRORY33CF3SDEFEYXXRUS

not attested not anchored not stored refs pending

Symplectic Integration of Magnetic Systems

Stephen D. webb

arxiv:1309.3723 v1 · 2013-09-15 · physics.plasm-ph · math.NA · physics.comp-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{QR7XUBRORY33CF3SDEFEYXXRUS}

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	2026-05-18T01:47:41.720580Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

847f7a062e8e37b11772190a4c5ef1a4a336e4bb974d7e1af631bf9824fc1186

Aliases

arxiv: 1309.3723 · arxiv_version: 1309.3723v1 · doi: 10.48550/arxiv.1309.3723 · pith_short_12: QR7XUBRORY33 · pith_short_16: QR7XUBRORY33CF3S · pith_short_8: QR7XUBRO

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/QR7XUBRORY33CF3SDEFEYXXRUS \
  | 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: 847f7a062e8e37b11772190a4c5ef1a4a336e4bb974d7e1af631bf9824fc1186

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5338d54f9f72a1c9a4e92feb66b144b2749c54409b917d19570ad9ce9a545d59",
    "cross_cats_sorted": [
      "math.NA",
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.plasm-ph",
    "submitted_at": "2013-09-15T05:08:23Z",
    "title_canon_sha256": "a8666c2fe36e33930a95b77ca008cea3ecb07bf92d5e96cece61ad87dd45614a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.3723",
    "kind": "arxiv",
    "version": 1
  }
}