Pith Number

pith:KAAFBEQF

pith:2009:KAAFBEQF6ESUPP4DU7VXY7N7Z7

not attested not anchored not stored refs pending

Simulation of Wave Equation on Manifold using DEC

Yujie Ma, Zheng Xie

arxiv:0909.5008 v6 · 2009-09-28 · math.NA · cs.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{KAAFBEQF6ESUPP4DU7VXY7N7Z7}

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	2026-06-03T23:06:29.236593Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5000509205f12547bf83a7eb7c7dbfcffd04a40d82e2d9dc6fde7f89d1d2f679

Aliases

arxiv: 0909.5008 · arxiv_version: 0909.5008v6 · doi: 10.48550/arxiv.0909.5008 · pith_short_12: KAAFBEQF6ESU · pith_short_16: KAAFBEQF6ESUPP4D · pith_short_8: KAAFBEQF

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/KAAFBEQF6ESUPP4DU7VXY7N7Z7 \
  | 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: 5000509205f12547bf83a7eb7c7dbfcffd04a40d82e2d9dc6fde7f89d1d2f679

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef96605f162a093c3173da7f369e5f5911e0df68f42cbbd18266499da2fdb032",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2009-09-28T06:16:29Z",
    "title_canon_sha256": "89e496c81d2a22ce9fc7b3103e471f712fe1c5c4229315264a3780d6c16ea00d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.5008",
    "kind": "arxiv",
    "version": 6
  }
}