Pith Number

pith:6JCP7DQW

pith:2012:6JCP7DQWDFBAVDSN3ITQNT2NF7

not attested not anchored not stored refs pending

A novel fast solver for Poisson equation with the Neumann boundary condition

Lijun Jiang, Weng Cho Chew, Zu-Hui Ma

arxiv:1207.4260 v1 · 2012-07-18 · math-ph · math.MP · 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{6JCP7DQWDFBAVDSN3ITQNT2NF7}

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	2026-05-18T03:50:47.197488Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f244ff8e1619420a8e4dda2706cf4d2fe5aa4eec7ed3d6ab58edc4f84f18eb3c

Aliases

arxiv: 1207.4260 · arxiv_version: 1207.4260v1 · doi: 10.48550/arxiv.1207.4260 · pith_short_12: 6JCP7DQWDFBA · pith_short_16: 6JCP7DQWDFBAVDSN · pith_short_8: 6JCP7DQW

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/6JCP7DQWDFBAVDSN3ITQNT2NF7 \
  | 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: f244ff8e1619420a8e4dda2706cf4d2fe5aa4eec7ed3d6ab58edc4f84f18eb3c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "392dbfb9cb8ee32eabe2c9653475f06382be8e5a365c940942d7f59059566c70",
    "cross_cats_sorted": [
      "math.MP",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2012-07-18T04:19:54Z",
    "title_canon_sha256": "f0af00d86fb257516c050dbd1c563be690bf86ba31286a75d0738e75aa19b9ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.4260",
    "kind": "arxiv",
    "version": 1
  }
}