Pith Number

pith:FSIOSUFC

pith:2014:FSIOSUFCMBKHQDVY5GHBY2HMCA

not attested not anchored not stored refs pending

Finite difference approximations for a size-structured population model with distributed states in the recruitment

A. S. Ackleh, B. Ma, J. Z. Farkas, X. Li

arxiv:1402.6260 v1 · 2014-02-25 · math.NA · math.AP · q-bio.QM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FSIOSUFCMBKHQDVY5GHBY2HMCA}

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	2026-05-17T23:52:08.823018Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c90e950a26054780eb8e98e1c68ec1012c9b14ff232182a312d650102a8a406

Aliases

arxiv: 1402.6260 · arxiv_version: 1402.6260v1 · doi: 10.48550/arxiv.1402.6260 · pith_short_12: FSIOSUFCMBKH · pith_short_16: FSIOSUFCMBKHQDVY · pith_short_8: FSIOSUFC

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/FSIOSUFCMBKHQDVY5GHBY2HMCA \
  | 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: 2c90e950a26054780eb8e98e1c68ec1012c9b14ff232182a312d650102a8a406

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3acf00cee5f5b1ea6ff217921df30ee82572a59e92fb5ac8f27cc856302ff966",
    "cross_cats_sorted": [
      "math.AP",
      "q-bio.QM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-02-25T18:03:59Z",
    "title_canon_sha256": "22ff74625785b1c12023bd3c1104da2629565302283e8b63b8370692b440b643"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.6260",
    "kind": "arxiv",
    "version": 1
  }
}