Pith Number

pith:7MTPCOYF

pith:2018:7MTPCOYFTIE3OQ3GQPTQIJIQGO

not attested not anchored not stored refs pending

The Flux Limited Keller-Segel System; Properties and Derivation from Kinetic Equations

Beno\^it Perthame (LJLL, MAMBA), Nicolas Vauchelet (LAGA), Zhian Wang (POLYU)

arxiv:1801.07062 v1 · 2018-01-22 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7MTPCOYFTIE3OQ3GQPTQIJIQGO}

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	2026-05-18T00:25:22.375728Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb26f13b059a09b7436683e704251033a03a4ee00670a8f23ba4bfa1a3c91b2f

Aliases

arxiv: 1801.07062 · arxiv_version: 1801.07062v1 · doi: 10.48550/arxiv.1801.07062 · pith_short_12: 7MTPCOYFTIE3 · pith_short_16: 7MTPCOYFTIE3OQ3G · pith_short_8: 7MTPCOYF

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/7MTPCOYFTIE3OQ3GQPTQIJIQGO \
  | 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: fb26f13b059a09b7436683e704251033a03a4ee00670a8f23ba4bfa1a3c91b2f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd070f5de8c3bbab5e142d12b4f8a90db6f0449f63831da9b46b5d365971ed20",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-01-22T12:24:31Z",
    "title_canon_sha256": "02bce905f87ed65543c506c7ba05db4e16c568e9e0df4d1f5ffb5ea7b9a17d6d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.07062",
    "kind": "arxiv",
    "version": 1
  }
}