Pith Number

pith:W7SXMDM7

pith:2009:W7SXMDM7KFQDXSG4Y2DXVGPIHX

not attested not anchored not stored refs pending

Finite mass self-similar blowing-up solutions of a chemotaxis system with non-linear diffusion

Adrien Blanchet (GREMAQ), Philippe Laurencot (IMT)

arxiv:0911.0835 v1 · 2009-11-04 · 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{W7SXMDM7KFQDXSG4Y2DXVGPIHX}

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	2026-05-18T03:51:36.262449Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7e5760d9f51603bc8dcc6877a99e83df8df37f7b1f2a25cf34b0b39ae338ddc

Aliases

arxiv: 0911.0835 · arxiv_version: 0911.0835v1 · doi: 10.48550/arxiv.0911.0835 · pith_short_12: W7SXMDM7KFQD · pith_short_16: W7SXMDM7KFQDXSG4 · pith_short_8: W7SXMDM7

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/W7SXMDM7KFQDXSG4Y2DXVGPIHX \
  | 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: b7e5760d9f51603bc8dcc6877a99e83df8df37f7b1f2a25cf34b0b39ae338ddc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f31716eb225436c3e8fadaa58a8fb83ebc79c95225726a5b04b5ccb328de47ae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2009-11-04T14:37:39Z",
    "title_canon_sha256": "852947ebaf7896d0bb99f2945caa9b40540d793b732ce7ff3d32c0337d1c0620"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.0835",
    "kind": "arxiv",
    "version": 1
  }
}