Pith Number

pith:GNQNK2BF

pith:2015:GNQNK2BFJVRGLD6ALQ3B5ZZRWY

not attested not anchored not stored refs pending

A stable finite-difference scheme for growth and diffusion on a map

Ch. P. E. Zollikofer, J. D. Weissmann, N. Tkachenko, S. Callegari, W. P. Petersen

arxiv:1502.04483 v1 · 2015-02-16 · 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{GNQNK2BFJVRGLD6ALQ3B5ZZRWY}

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	2026-05-18T02:26:59.701190Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3360d568254d62658fc05c361ee731b600b399b1b3c16e49be3d09e82875081d

Aliases

arxiv: 1502.04483 · arxiv_version: 1502.04483v1 · doi: 10.48550/arxiv.1502.04483 · pith_short_12: GNQNK2BFJVRG · pith_short_16: GNQNK2BFJVRGLD6A · pith_short_8: GNQNK2BF

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/GNQNK2BFJVRGLD6ALQ3B5ZZRWY \
  | 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: 3360d568254d62658fc05c361ee731b600b399b1b3c16e49be3d09e82875081d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e83cce0acd80f3440d2b8a5f7c3d40fa08b49de452d13575583c7183a4a731c5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-02-16T10:14:06Z",
    "title_canon_sha256": "2439589685af3614e17e719931b876fdd13acf16258b63104179b028589f9bb8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.04483",
    "kind": "arxiv",
    "version": 1
  }
}