Pith Number

pith:WY7FPRCM

pith:2000:WY7FPRCMDKUHD7AIT3LCHWUDU4

not attested not anchored not stored refs pending

A Numerical Study of Capillary and Viscous Drainage in Porous Media

Alex Hansen, Eyvind Aker, Knut Jorgen Maloy

arxiv:physics/0005054 v1 · 2000-05-22 · physics.flu-dyn · cond-mat.soft · physics.comp-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{WY7FPRCMDKUHD7AIT3LCHWUDU4}

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	2026-05-18T01:05:15.344413Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b63e57c44c1aa871fc089ed623da83a709b344ca7a9c16b83f0f5816115faf0e

Aliases

arxiv: physics/0005054 · arxiv_version: physics/0005054v1 · doi: 10.48550/arxiv.physics/0005054 · pith_short_12: WY7FPRCMDKUH · pith_short_16: WY7FPRCMDKUHD7AI · pith_short_8: WY7FPRCM

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/WY7FPRCMDKUHD7AIT3LCHWUDU4 \
  | 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: b63e57c44c1aa871fc089ed623da83a709b344ca7a9c16b83f0f5816115faf0e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "903e8eda66ad890f382874fac7311724c416fe1c95e5e33c6db605be03b0320e",
    "cross_cats_sorted": [
      "cond-mat.soft",
      "physics.comp-ph"
    ],
    "license": "",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2000-05-22T09:46:46Z",
    "title_canon_sha256": "6258e44f97a6e50bc7769400bd4a20df1efda0ef169bca6f2767d8fe967c3c0b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0005054",
    "kind": "arxiv",
    "version": 1
  }
}