Pith Number

pith:4GDQGEEA

pith:2015:4GDQGEEAYNI674UL4WPCR3XSBP

not attested not anchored not stored refs pending

A Finite Element Framework for Some Mimetic Finite Difference Discretizations

Carmen Rodrigo, Francisco Gaspar, Ludmil Zikatanov, Xiaozhe Hu

arxiv:1503.04423 v1 · 2015-03-15 · 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{4GDQGEEAYNI674UL4WPCR3XSBP}

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	2026-05-18T02:23:25.067917Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e187031080c351eff28be59e28eef20be97a55828b5bd4f9ce2c8286d4538e60

Aliases

arxiv: 1503.04423 · arxiv_version: 1503.04423v1 · doi: 10.48550/arxiv.1503.04423 · pith_short_12: 4GDQGEEAYNI6 · pith_short_16: 4GDQGEEAYNI674UL · pith_short_8: 4GDQGEEA

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/4GDQGEEAYNI674UL4WPCR3XSBP \
  | 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: e187031080c351eff28be59e28eef20be97a55828b5bd4f9ce2c8286d4538e60

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6057a4a0ff5a83caf0f5762eda80ed9ae0b3c27a0e7aeab65ef25fdc5ee3ac01",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-03-15T13:12:53Z",
    "title_canon_sha256": "1569f342832488388cecf5187358d97b640e31f34d7f99c12aba33d2471e69a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.04423",
    "kind": "arxiv",
    "version": 1
  }
}