Pith Number

pith:XF7G44WP

pith:2009:XF7G44WPIHVLVY626W7IZMWDLD

not attested not anchored not stored refs pending

Iterative Methods for the Force-based Quasicontinuum Approximation

Christoph Ortner, Matthew Dobson, Mitchell Luskin

arxiv:0910.2013 v3 · 2009-10-12 · 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{XF7G44WPIHVLVY626W7IZMWDLD}

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	2026-06-03T23:06:29.778420Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b97e6e72cf41eabae3daf5be8cb2c358f6a1feb6db483373853823cdd36c34c6

Aliases

arxiv: 0910.2013 · arxiv_version: 0910.2013v3 · doi: 10.48550/arxiv.0910.2013 · pith_short_12: XF7G44WPIHVL · pith_short_16: XF7G44WPIHVLVY62 · pith_short_8: XF7G44WP

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/XF7G44WPIHVLVY626W7IZMWDLD \
  | 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: b97e6e72cf41eabae3daf5be8cb2c358f6a1feb6db483373853823cdd36c34c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b7d1b634d3270bc3e91f1ef76b18cdc38d0ee44fae4f8b50d240d0f3f418ccd",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2009-10-12T13:21:14Z",
    "title_canon_sha256": "32ea682fd9d706e18ebb6130f596853ed0986dfa16a77511b410471705dd0ce5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.2013",
    "kind": "arxiv",
    "version": 3
  }
}