Pith Number

pith:PH5AFA6W

pith:1999:PH5AFA6W6ONQ54OXPHYAIZT23W

not attested not anchored not stored refs pending

Two-finger selection theory in the Saffman-Taylor problem

F.X. Magdaleno, J. Casademunt

arxiv:cond-mat/9909225 v1 · 1999-09-15 · cond-mat.stat-mech · chao-dyn · cond-mat.mtrl-sci · nlin.CD · nlin.PS · patt-sol

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PH5AFA6W6ONQ54OXPHYAIZT23W}

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	2026-05-18T01:07:04.276035Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79fa0283d6f39b0ef1d779f004667add86a9e531b0c344a31f4343c4cccec081

Aliases

arxiv: cond-mat/9909225 · arxiv_version: cond-mat/9909225v1 · doi: 10.48550/arxiv.cond-mat/9909225 · pith_short_12: PH5AFA6W6ONQ · pith_short_16: PH5AFA6W6ONQ54OX · pith_short_8: PH5AFA6W

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/PH5AFA6W6ONQ54OXPHYAIZT23W \
  | 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: 79fa0283d6f39b0ef1d779f004667add86a9e531b0c344a31f4343c4cccec081

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa876b28af3506ca7e88bffd948bd91e3fe8dcb59b2982e76481de94fba4fc83",
    "cross_cats_sorted": [
      "chao-dyn",
      "cond-mat.mtrl-sci",
      "nlin.CD",
      "nlin.PS",
      "patt-sol"
    ],
    "license": "",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "1999-09-15T13:26:24Z",
    "title_canon_sha256": "cb9810331c12c30ef4e6f9c2d10f82437fcc94281d792b5e384342b2f2cd6d38"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/9909225",
    "kind": "arxiv",
    "version": 1
  }
}