Pith Number

pith:WUJQMXUI

pith:2015:WUJQMXUIUI2CZ7IXBBTUUE3EXU

not attested not anchored not stored refs pending

Gradient schemes: generic tools for the numerical analysis of diffusion equations

Jerome Droniou, Raphaele Herbin, Robert Eymard

arxiv:1505.02580 v6 · 2015-05-11 · 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{WUJQMXUIUI2CZ7IXBBTUUE3EXU}

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	2026-05-18T01:27:31.697854Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b513065e88a2342cfd1708674a1364bd3bc7a87a31fd0a1d7ad458f51f3611d2

Aliases

arxiv: 1505.02580 · arxiv_version: 1505.02580v6 · doi: 10.48550/arxiv.1505.02580 · pith_short_12: WUJQMXUIUI2C · pith_short_16: WUJQMXUIUI2CZ7IX · pith_short_8: WUJQMXUI

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/WUJQMXUIUI2CZ7IXBBTUUE3EXU \
  | 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: b513065e88a2342cfd1708674a1364bd3bc7a87a31fd0a1d7ad458f51f3611d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "842dff2c52e8cfda5fd530448a440449eb3b8b1b1751d5644213cc45e906829d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-05-11T12:14:06Z",
    "title_canon_sha256": "e5c86c3adfe9db3173df662fd36d401c9cc7ec68a3687f35123c14a86fcc67f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.02580",
    "kind": "arxiv",
    "version": 6
  }
}