Pith Number

pith:GWENQ7DY

pith:2014:GWENQ7DYX3Z2Q5XLSICCLUCBDD

not attested not anchored not stored refs pending

Biot-Savart helicity versus physical helicity: A topological description of ideal flows

Homayoon Eshraghi, Taliya Sahihi

arxiv:1405.2472 v1 · 2014-05-10 · math-ph · math.MP · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GWENQ7DYX3Z2Q5XLSICCLUCBDD}

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	2026-05-18T01:43:15.392017Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3588d87c78bef3a876eb920425d04118c4481bca22d5584edfbaa363724bd553

Aliases

arxiv: 1405.2472 · arxiv_version: 1405.2472v1 · doi: 10.48550/arxiv.1405.2472 · pith_short_12: GWENQ7DYX3Z2 · pith_short_16: GWENQ7DYX3Z2Q5XL · pith_short_8: GWENQ7DY

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/GWENQ7DYX3Z2Q5XLSICCLUCBDD \
  | 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: 3588d87c78bef3a876eb920425d04118c4481bca22d5584edfbaa363724bd553

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "752de761c1d2cdf79c49fc99e3015a62c21da5d69826f76eaf69329575d99cc9",
    "cross_cats_sorted": [
      "math.MP",
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2014-05-10T21:13:00Z",
    "title_canon_sha256": "6a9dba3921f416f1b0761c8fe256bf4f4afbfb7c8ee1e9622458a52a27ce01ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.2472",
    "kind": "arxiv",
    "version": 1
  }
}