Pith Number

pith:NL47LDRW

pith:2012:NL47LDRWQON7TVTTSQICHWM3VL

not attested not anchored not stored refs pending

Hyperbolic Divergence Cleaning for SPH

Daniel J. Price (Monash), Terrence S. Tricco (Monash)

arxiv:1207.5291 v1 · 2012-07-23 · astro-ph.IM · physics.comp-ph · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NL47LDRWQON7TVTTSQICHWM3VL}

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	2026-05-18T03:50:23.944968Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6af9f58e36839bf9d673941023d99baad2c31107ed478bb46256a0ab5931891b

Aliases

arxiv: 1207.5291 · arxiv_version: 1207.5291v1 · doi: 10.48550/arxiv.1207.5291 · pith_short_12: NL47LDRWQON7 · pith_short_16: NL47LDRWQON7TVTT · pith_short_8: NL47LDRW

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/NL47LDRWQON7TVTTSQICHWM3VL \
  | 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: 6af9f58e36839bf9d673941023d99baad2c31107ed478bb46256a0ab5931891b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c880f5e0276a71001a19d38f8c4e2ea795c16f73ce216c6ac0f5dc317630ba28",
    "cross_cats_sorted": [
      "physics.comp-ph",
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-07-23T04:50:27Z",
    "title_canon_sha256": "3651f4789ddd15ec57703d99ba94032e5cf22d7a86a3200bc4cbecc84840e814"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.5291",
    "kind": "arxiv",
    "version": 1
  }
}