Pith Number

pith:TYXJ2RKM

pith:2010:TYXJ2RKM62KODZSMF5PXOUU23N

not attested not anchored not stored refs pending

The Buckley-Leverett Equation with Dynamic Capillary Pressure

K. Spayd, M. Shearer

arxiv:1009.0467 v2 · 2010-09-02 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TYXJ2RKM62KODZSMF5PXOUU23N}

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	2026-05-18T04:14:15.033562Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e2e9d454cf694e1e64c2f5f77529adb41f9c3739a3d4758b00f796e499d2431

Aliases

arxiv: 1009.0467 · arxiv_version: 1009.0467v2 · doi: 10.48550/arxiv.1009.0467 · pith_short_12: TYXJ2RKM62KO · pith_short_16: TYXJ2RKM62KODZSM · pith_short_8: TYXJ2RKM

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/TYXJ2RKM62KODZSMF5PXOUU23N \
  | 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: 9e2e9d454cf694e1e64c2f5f77529adb41f9c3739a3d4758b00f796e499d2431

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68916392673b41c4b561a1165ad744d2319e0527be3bf9aa66c437d3e1d21aca",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2010-09-02T16:30:33Z",
    "title_canon_sha256": "22316494fb9c0d3c44a6d91cf50bf15b58819920469732f0feb9bc8d59504a2f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.0467",
    "kind": "arxiv",
    "version": 2
  }
}