Pith Number

pith:CB3OOYIM

pith:2010:CB3OOYIMJSJBKXOLFAEAT7T3ZW

not attested not anchored not stored refs pending

The discontinuous Galerkin method for fractional degenerate convection-diffusion equations

Espen R. Jakobsen, Kenneth H. Karlsen, Simone Cifani

arxiv:1005.1507 v2 · 2010-05-10 · 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{CB3OOYIMJSJBKXOLFAEAT7T3ZW}

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	2026-05-18T04:07:40.758969Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1076e7610c4c92155dcb280809fe7bcdbbfe63c5190a429e1ac51dd21765ad00

Aliases

arxiv: 1005.1507 · arxiv_version: 1005.1507v2 · doi: 10.48550/arxiv.1005.1507 · pith_short_12: CB3OOYIMJSJB · pith_short_16: CB3OOYIMJSJBKXOL · pith_short_8: CB3OOYIM

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/CB3OOYIMJSJBKXOLFAEAT7T3ZW \
  | 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: 1076e7610c4c92155dcb280809fe7bcdbbfe63c5190a429e1ac51dd21765ad00

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9dc582569b77c7857efe5dd1bb7efe618001244ca9074e17b1d92b919399181d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2010-05-10T11:53:23Z",
    "title_canon_sha256": "3c73fa374d0e55e8c92a262e981ade4d5778b79ad695442f056d5ab97efe2e53"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.1507",
    "kind": "arxiv",
    "version": 2
  }
}