Pith Number

pith:6GIKMVMJ

pith:2019:6GIKMVMJFTAJBWLTN5T4NHFVDK

not attested not anchored not stored refs pending

A Particle Method without Remeshing

Christian Rieger, Matthias Kirchhart

arxiv:1909.07449 v2 · 2019-09-16 · 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{6GIKMVMJFTAJBWLTN5T4NHFVDK}

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	2026-07-05T03:59:20.173022Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f190a655892cc090d9736f67c69cb51a98b6671f5b9551545a9b5fd5ba92b479

Aliases

arxiv: 1909.07449 · arxiv_version: 1909.07449v2 · doi: 10.48550/arxiv.1909.07449 · pith_short_12: 6GIKMVMJFTAJ · pith_short_16: 6GIKMVMJFTAJBWLT · pith_short_8: 6GIKMVMJ

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/6GIKMVMJFTAJBWLTN5T4NHFVDK \
  | 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: f190a655892cc090d9736f67c69cb51a98b6671f5b9551545a9b5fd5ba92b479

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cff59af266f31d601e26ec9c3e9903de5a88ea4a2a69cc92fc3f53d8e616b97d",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-09-16T19:38:13Z",
    "title_canon_sha256": "1154b6f36795fa4cb808f226e8530dce14b73a3f6915e0d9458ed24c31175ae7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.07449",
    "kind": "arxiv",
    "version": 2
  }
}