Pith Number

pith:3R5VBCRF

pith:2017:3R5VBCRFADUPWMFAZEFC25ON7K

not attested not anchored not stored refs pending

Blow-up of solutions to semi-discrete parabolic-elliptic Keller-Segel models

Ansgar J\"ungel, Oliver Leingang

arxiv:1709.03931 v1 · 2017-09-12 · 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{3R5VBCRFADUPWMFAZEFC25ON7K}

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	2026-05-18T00:35:29.004201Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc7b508a2500e8fb30a0c90a2d75cdfab4b4730e4a1104b497ae07fa83c3418d

Aliases

arxiv: 1709.03931 · arxiv_version: 1709.03931v1 · doi: 10.48550/arxiv.1709.03931 · pith_short_12: 3R5VBCRFADUP · pith_short_16: 3R5VBCRFADUPWMFA · pith_short_8: 3R5VBCRF

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/3R5VBCRFADUPWMFAZEFC25ON7K \
  | 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: dc7b508a2500e8fb30a0c90a2d75cdfab4b4730e4a1104b497ae07fa83c3418d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "248dbd9f63b888d990d361aaf821a239405034f5312d6889002360892bfd8941",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-09-12T16:09:18Z",
    "title_canon_sha256": "5bd1ba06d9c4bac7abc4edbe1f514752c51b40599484cb685c8a5d7740bfc7dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.03931",
    "kind": "arxiv",
    "version": 1
  }
}