Pith Number

pith:F7X5I6SS

pith:2012:F7X5I6SSZMUJZHB27JBM52DRDO

not attested not anchored not stored refs pending

On numerical methods and error estimates for degenerate fractional convection-diffusion equations

Espen R. Jakobsen, Simone Cifani

arxiv:1201.6079 v1 · 2012-01-29 · math.NA · 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{F7X5I6SSZMUJZHB27JBM52DRDO}

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	2026-05-18T02:48:53.435722Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2fefd47a52cb289c9c3afa42cee8711bbd20a0c9dbc0666537a015896527209d

Aliases

arxiv: 1201.6079 · arxiv_version: 1201.6079v1 · doi: 10.48550/arxiv.1201.6079 · pith_short_12: F7X5I6SSZMUJ · pith_short_16: F7X5I6SSZMUJZHB2 · pith_short_8: F7X5I6SS

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/F7X5I6SSZMUJZHB27JBM52DRDO \
  | 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: 2fefd47a52cb289c9c3afa42cee8711bbd20a0c9dbc0666537a015896527209d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2bca73a6d13606057d37271fc6dcbf0c880e4a63a928373022de6bf50f53c868",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2012-01-29T20:45:36Z",
    "title_canon_sha256": "d27a590b8760c4dad10af783dd208379a64ea8819ad748569032b524462693f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.6079",
    "kind": "arxiv",
    "version": 1
  }
}