Pith Number

pith:5YKMNNDV

pith:2013:5YKMNNDVTJO4Y2HBAUQ2JZG7O7

not attested not anchored not stored refs pending

Variational principle for weighted porous media equation

Alexandra Antoniouk, Marc Arnaudon (IMB)

arxiv:1310.3098 v1 · 2013-10-11 · math.PR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5YKMNNDVTJO4Y2HBAUQ2JZG7O7}

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	2026-05-18T03:10:45.059073Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee14c6b4759a5dcc68e10521a4e4df77ec98e7bfb8ab625d3d16994e7a61ffc5

Aliases

arxiv: 1310.3098 · arxiv_version: 1310.3098v1 · doi: 10.48550/arxiv.1310.3098 · pith_short_12: 5YKMNNDVTJO4 · pith_short_16: 5YKMNNDVTJO4Y2HB · pith_short_8: 5YKMNNDV

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/5YKMNNDVTJO4Y2HBAUQ2JZG7O7 \
  | 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: ee14c6b4759a5dcc68e10521a4e4df77ec98e7bfb8ab625d3d16994e7a61ffc5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1725323f139256411e7784f1854214b5ca8ba72fef9be1f511ee9beef67bd09e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2013-10-11T12:00:33Z",
    "title_canon_sha256": "b9576d9e83e8bf9901c0b1f978447f86d4c66e263b14dbc1644c270d38ca88e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.3098",
    "kind": "arxiv",
    "version": 1
  }
}