Pith Number

pith:T7AARPSJ

pith:2013:T7AARPSJRWP3LIHCCT67Q66FNQ

not attested not anchored not stored refs pending

Convergent finite differences for 1D viscous isentropic flow in Eulerian coordinates

Trygve K. Karper

arxiv:1303.2902 v1 · 2013-03-12 · math.NA · 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{T7AARPSJRWP3LIHCCT67Q66FNQ}

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	2026-05-18T03:31:07.638027Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9fc008be498d9fb5a0e214fdf87bc56c0b76d20255871297b67ebb4c413790c4

Aliases

arxiv: 1303.2902 · arxiv_version: 1303.2902v1 · doi: 10.48550/arxiv.1303.2902 · pith_short_12: T7AARPSJRWP3 · pith_short_16: T7AARPSJRWP3LIHC · pith_short_8: T7AARPSJ

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/T7AARPSJRWP3LIHCCT67Q66FNQ \
  | 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: 9fc008be498d9fb5a0e214fdf87bc56c0b76d20255871297b67ebb4c413790c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7af1d4a06301740fbb31bd783c518de3b4383afe064bdf3ac3dd15737f32c96",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-03-12T14:48:18Z",
    "title_canon_sha256": "e913b42fa0945842af9547c0ea0f37be79c246f50f80dbf57b62b22ea6bc9801"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.2902",
    "kind": "arxiv",
    "version": 1
  }
}