Pith Number

pith:WPISFJC7

pith:1999:WPISFJC7IX3L74ELHWK2CTPYSZ

not attested not anchored not stored refs pending

New mathematical models for particle flow dynamics

Anthony Rosato, Denis Blackmore, Roman Samulyak

arxiv:nlin/9904201 v1 · 1999-04-01 · nlin.CD

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WPISFJC7IX3L74ELHWK2CTPYSZ}

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	2026-05-18T01:38:17.561243Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b3d122a45f45f6bff08b3d95a14df8965539f417e6433f6615e799570b85be0f

Aliases

arxiv: nlin/9904201 · arxiv_version: nlin/9904201v1 · doi: 10.48550/arxiv.nlin/9904201 · pith_short_12: WPISFJC7IX3L · pith_short_16: WPISFJC7IX3L74EL · pith_short_8: WPISFJC7

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/WPISFJC7IX3L74ELHWK2CTPYSZ \
  | 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: b3d122a45f45f6bff08b3d95a14df8965539f417e6433f6615e799570b85be0f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d57ba22dda81259b611d548c77562bd6bc4a502d9efe43d55517865566f680b1",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "nlin.CD",
    "submitted_at": "1999-04-01T00:00:00Z",
    "title_canon_sha256": "8dde5a22efe6588f33a5b244cb1ecc053d2eed7171ecb8d20d4b48969788f885"
  },
  "schema_version": "1.0",
  "source": {
    "id": "nlin/9904201",
    "kind": "arxiv",
    "version": 1
  }
}