Pith Number

pith:5D6MN5AP

pith:2012:5D6MN5APIXY2JOEWJIHZBI6OZB

not attested not anchored not stored refs pending

A finite volume scheme for a Keller-Segel model with additional cross-diffusion

Ansgar J\"ungel, Marianne Bessemoulin-Chatard

arxiv:1208.0309 v1 · 2012-07-10 · 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{5D6MN5APIXY2JOEWJIHZBI6OZB}

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	2026-05-18T03:49:35.385061Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e8fcc6f40f45f1a4b8964a0f90a3cec84dca3b67c6b52c15f258fb6194f38a00

Aliases

arxiv: 1208.0309 · arxiv_version: 1208.0309v1 · doi: 10.48550/arxiv.1208.0309 · pith_short_12: 5D6MN5APIXY2 · pith_short_16: 5D6MN5APIXY2JOEW · pith_short_8: 5D6MN5AP

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/5D6MN5APIXY2JOEWJIHZBI6OZB \
  | 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: e8fcc6f40f45f1a4b8964a0f90a3cec84dca3b67c6b52c15f258fb6194f38a00

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e03f28c5343226a93087a65b661b6c6438633f5c6584a9c7c11af3a4d21f67c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2012-07-10T12:39:46Z",
    "title_canon_sha256": "4118fcead75795a9c6c441136f78d780eb98c96ea3d203d2c1945b9fb3d2d281"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.0309",
    "kind": "arxiv",
    "version": 1
  }
}