Pith Number

pith:IP4DRC7V

pith:2015:IP4DRC7V5IBASDVARCSRHEPPPS

not attested not anchored not stored refs pending

An improved method for solving quasilinear convection diffusion problems on a coarse mesh

Sara Pollock

arxiv:1502.02629 v1 · 2015-02-09 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IP4DRC7V5IBASDVARCSRHEPPPS}

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	2026-05-18T02:27:41.622454Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43f8388bf5ea02090ea088a51391ef7cad2ac86c1b9b9e6e5d57a8b096dd7f28

Aliases

arxiv: 1502.02629 · arxiv_version: 1502.02629v1 · doi: 10.48550/arxiv.1502.02629 · pith_short_12: IP4DRC7V5IBA · pith_short_16: IP4DRC7V5IBASDVA · pith_short_8: IP4DRC7V

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/IP4DRC7V5IBASDVARCSRHEPPPS \
  | 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: 43f8388bf5ea02090ea088a51391ef7cad2ac86c1b9b9e6e5d57a8b096dd7f28

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7d7dd5231bc89dca3da241ee1b4ac488082d1d0a564d33f81478f7e62936fdb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-02-09T19:55:33Z",
    "title_canon_sha256": "41f7db629ebd221e4091068b9cd788d24737244a26a1961c0a491d44ff049063"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.02629",
    "kind": "arxiv",
    "version": 1
  }
}