Pith Number

pith:BDWNXPHL

pith:2013:BDWNXPHLCA52SNUDKOQDRDBIOS

not attested not anchored not stored refs pending

Automation of The Guiding Center Expansion

H. Qin, J. Squire, J. W. Burby

arxiv:1312.3973 v1 · 2013-12-13 · physics.plasm-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{BDWNXPHLCA52SNUDKOQDRDBIOS}

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	2026-05-18T03:04:36.427359Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08ecdbbceb103ba9368353a0388c2874917b3a75c0ee6070c510de96652d42d9

Aliases

arxiv: 1312.3973 · arxiv_version: 1312.3973v1 · doi: 10.48550/arxiv.1312.3973 · pith_short_12: BDWNXPHLCA52 · pith_short_16: BDWNXPHLCA52SNUD · pith_short_8: BDWNXPHL

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/BDWNXPHLCA52SNUDKOQDRDBIOS \
  | 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: 08ecdbbceb103ba9368353a0388c2874917b3a75c0ee6070c510de96652d42d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82331b7f031d368bd9037fe76d1aeef38d6bdf3d42e0e7a11bd27f598cd2213d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.plasm-ph",
    "submitted_at": "2013-12-13T22:34:16Z",
    "title_canon_sha256": "0b20049926636da23e5d52736b766c7ef2640123932d2b608189816d0b9c9bdb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.3973",
    "kind": "arxiv",
    "version": 1
  }
}