Pith Number

pith:2JE7QF6K

pith:2013:2JE7QF6KOAEPKGODYQW2ERZYG4

not attested not anchored not stored refs pending

Global small solution to the 2D MHD system with a velocity damping term

Jiahong Wu, Xiaojing Xu, Yifei Wu

arxiv:1311.6185 v1 · 2013-11-24 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2JE7QF6KOAEPKGODYQW2ERZYG4}

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	2026-05-18T03:06:14.684949Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d249f817ca7008f519c3c42da2473837046a8e07055f67ae2aca29ffea7c57d3

Aliases

arxiv: 1311.6185 · arxiv_version: 1311.6185v1 · doi: 10.48550/arxiv.1311.6185 · pith_short_12: 2JE7QF6KOAEP · pith_short_16: 2JE7QF6KOAEPKGOD · pith_short_8: 2JE7QF6K

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/2JE7QF6KOAEPKGODYQW2ERZYG4 \
  | 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: d249f817ca7008f519c3c42da2473837046a8e07055f67ae2aca29ffea7c57d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1feea5e40f4ae5616c5164f094ecfbf0ab82239c79c619dd42890d299667a42d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-11-24T23:41:38Z",
    "title_canon_sha256": "59a21608b7fff834d9123f7b4fade3db720e5e54966677627141f0f86e9fc5f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.6185",
    "kind": "arxiv",
    "version": 1
  }
}