pith. sign in
Pith Number

pith:RETQJNMW

pith:2013:RETQJNMWR6CBM745IK4GOFJ4XQ
not attested not anchored not stored refs pending

Steady-state fingering patterns for a periodic Muskat problem

Bogdan-Vasile Matioc, Joachim Escher, Mats Ehrnstrom

arxiv:1303.6724 v1 · 2013-03-27 · math.AP · math-ph · math.MP

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{RETQJNMWR6CBM745IK4GOFJ4XQ}

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 2026-05-18T03:29:40.040699Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

892704b5968f84167f9d42b867153cbc09d91a97878d622e8c0660e546ed8fbe

Aliases

arxiv: 1303.6724 · arxiv_version: 1303.6724v1 · doi: 10.48550/arxiv.1303.6724 · pith_short_12: RETQJNMWR6CB · pith_short_16: RETQJNMWR6CBM745 · pith_short_8: RETQJNMW
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/RETQJNMWR6CBM745IK4GOFJ4XQ \
  | 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: 892704b5968f84167f9d42b867153cbc09d91a97878d622e8c0660e546ed8fbe
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "d8c010f23349012c624f32ed1132b8cd9af5fb3a80f385b9f802c3167925abf9",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-03-27T01:54:16Z",
    "title_canon_sha256": "f6cf661b17867c0b603a97828d5c12c974616f3fc4e710c9fc9ace0320ffb680"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.6724",
    "kind": "arxiv",
    "version": 1
  }
}