Pith Number

pith:2LIAL56P

pith:2013:2LIAL56PT4QL5V3MCGI4HPB4LD

not attested not anchored not stored refs pending

A general method to remove the stiffness of PDEs

Jens Eggers, Laurent Duchemin

arxiv:1308.1621 v1 · 2013-08-07 · physics.comp-ph · 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{2LIAL56PT4QL5V3MCGI4HPB4LD}

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	2026-05-18T03:16:30.665023Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2d005f7cf9f20bed76c1191c3bc3c58f58fae1b39069a0e944401ce5dff707b

Aliases

arxiv: 1308.1621 · arxiv_version: 1308.1621v1 · doi: 10.48550/arxiv.1308.1621 · pith_short_12: 2LIAL56PT4QL · pith_short_16: 2LIAL56PT4QL5V3M · pith_short_8: 2LIAL56P

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/2LIAL56PT4QL5V3MCGI4HPB4LD \
  | 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: d2d005f7cf9f20bed76c1191c3bc3c58f58fae1b39069a0e944401ce5dff707b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d8def36f8c2b8088e7e284801e7ec0bb46d1e490e0a6fc2d9292c8f1334225b",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2013-08-07T16:16:51Z",
    "title_canon_sha256": "6d1b949d959ef1f631ea9d1c09c5372c291d246bf13533c1d66d4a9cd967b1cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.1621",
    "kind": "arxiv",
    "version": 1
  }
}