Pith Number

pith:ET2JLOND

pith:2011:ET2JLONDOEWWH3Q6TATDADDIRS

not attested not anchored not stored refs pending

Instability in a generalized Keller-Segel model

Erica Zuhr, Jay Gopalakrishnan, Patrick de Leenheer

arxiv:1110.2448 v2 · 2011-10-11 · 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{ET2JLONDOEWWH3Q6TATDADDIRS}

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	2026-05-18T03:22:06.412011Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24f495b9a3712d63ee1e9826300c688c8f3cd3a85b85f0a7ae5d6d97d1c9330d

Aliases

arxiv: 1110.2448 · arxiv_version: 1110.2448v2 · doi: 10.48550/arxiv.1110.2448 · pith_short_12: ET2JLONDOEWW · pith_short_16: ET2JLONDOEWWH3Q6 · pith_short_8: ET2JLOND

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/ET2JLONDOEWWH3Q6TATDADDIRS \
  | 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: 24f495b9a3712d63ee1e9826300c688c8f3cd3a85b85f0a7ae5d6d97d1c9330d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "404b37653f7fc6dc112a386b3732293a20c1562e4c06f6c07f514f4ea1ddc627",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2011-10-11T17:38:11Z",
    "title_canon_sha256": "fde9167440f5d98ba74913cba0e0fc7f91558acfad82ee959de432a7e78d3b85"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.2448",
    "kind": "arxiv",
    "version": 2
  }
}