Pith Number

pith:6UXK42AA

pith:2010:6UXK42AA6XCKXUV52VWU5N35VL

not attested not anchored not stored refs pending

Scalar conservation laws with nonconstant coefficients with application to particle size segregation in granular flow

Karen E. Daniels, Lindsay B. H. May, Michael Shearer

arxiv:1002.1979 v1 · 2010-02-09 · math.AP · cond-mat.soft

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6UXK42AA6XCKXUV52VWU5N35VL}

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	2026-05-18T02:09:10.532733Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f52eae6800f5c4abd2bdd56d4eb77daadbd23631a957151b83ecc9de0b9b50c2

Aliases

arxiv: 1002.1979 · arxiv_version: 1002.1979v1 · doi: 10.48550/arxiv.1002.1979 · pith_short_12: 6UXK42AA6XCK · pith_short_16: 6UXK42AA6XCKXUV5 · pith_short_8: 6UXK42AA

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/6UXK42AA6XCKXUV52VWU5N35VL \
  | 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: f52eae6800f5c4abd2bdd56d4eb77daadbd23631a957151b83ecc9de0b9b50c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4d192b6a282f03527463fb16941925061bc7cda5b46a630875f032c1c27a16e",
    "cross_cats_sorted": [
      "cond-mat.soft"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2010-02-09T21:40:26Z",
    "title_canon_sha256": "f5c2a6b54df6d2010a7b31a386d216d06f4c2a8af81d60396db8052fc5ffa761"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.1979",
    "kind": "arxiv",
    "version": 1
  }
}