Pith Number

pith:BDVXVRQK

pith:2015:BDVXVRQKMS275SCEGEIZTFRE2Q

not attested not anchored not stored refs pending

Gradient estimates and symmetrization for Fisher-KPP front propagation with fractional diffusion

Andrei Tarfulea, Jean-Michel Roquejoffre

arxiv:1502.06304 v1 · 2015-02-23 · 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{BDVXVRQKMS275SCEGEIZTFRE2Q}

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	2026-05-18T02:26:37.567614Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08eb7ac60a64b5fec8443111999624d438fbc220d10c192b0c1923966ad02b9e

Aliases

arxiv: 1502.06304 · arxiv_version: 1502.06304v1 · doi: 10.48550/arxiv.1502.06304 · pith_short_12: BDVXVRQKMS27 · pith_short_16: BDVXVRQKMS275SCE · pith_short_8: BDVXVRQK

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/BDVXVRQKMS275SCEGEIZTFRE2Q \
  | 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: 08eb7ac60a64b5fec8443111999624d438fbc220d10c192b0c1923966ad02b9e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9885360b70f25e5c6791c1892c011f9d8ddbf881efdb605ce579e4f4978c9ac",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2015-02-23T02:04:52Z",
    "title_canon_sha256": "eb608b5d993bbdb132b5e6ca3ad947e1dae2dc55315e0ac5af7c22a95a0225a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.06304",
    "kind": "arxiv",
    "version": 1
  }
}