Pith Number

pith:HLKGPWGM

pith:2015:HLKGPWGMOSMMDFT4CN7JSOKHFE

not attested not anchored not stored refs pending

Field theory and weak Euler-Lagrange equation for classical particle-field systems

Hong Qin, J. W. Burby, Ronald C. Davidson

arxiv:1504.04438 v1 · 2015-04-17 · physics.plasm-ph · math-ph · math.MP · 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{HLKGPWGMOSMMDFT4CN7JSOKHFE}

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	2026-05-18T02:18:32.380897Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ad467d8cc7498c1967c137e9939472908237236feb2aa4b55beebf6ff4d52b6

Aliases

arxiv: 1504.04438 · arxiv_version: 1504.04438v1 · doi: 10.48550/arxiv.1504.04438 · pith_short_12: HLKGPWGMOSMM · pith_short_16: HLKGPWGMOSMMDFT4 · pith_short_8: HLKGPWGM

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/HLKGPWGMOSMMDFT4CN7JSOKHFE \
  | 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: 3ad467d8cc7498c1967c137e9939472908237236feb2aa4b55beebf6ff4d52b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f02d7ab2ae396b27a78495f4f48574b89f2e78b9fe64a759f61a34c39311cb7",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "physics.acc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.plasm-ph",
    "submitted_at": "2015-04-17T04:36:35Z",
    "title_canon_sha256": "fadd4a8070477807e04f3c3c277a9bdccbf489b512945de7f97982eea6753fd9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.04438",
    "kind": "arxiv",
    "version": 1
  }
}