Pith Number

pith:HHB52ET4

pith:2014:HHB52ET4V2QSCWVWZTRYI7MYR7

not attested not anchored not stored refs pending

Separation versus diffusion in a two species system

Anna De Masi, Pablo A. Ferrari

arxiv:1412.4241 v1 · 2014-12-13 · math.PR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HHB52ET4V2QSCWVWZTRYI7MYR7}

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	2026-05-18T02:31:19.796835Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39c3dd127caea1215ab6cce3847d988fc226c6d77127ab580e7982b0cd6433da

Aliases

arxiv: 1412.4241 · arxiv_version: 1412.4241v1 · doi: 10.48550/arxiv.1412.4241 · pith_short_12: HHB52ET4V2QS · pith_short_16: HHB52ET4V2QSCWVW · pith_short_8: HHB52ET4

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/HHB52ET4V2QSCWVWZTRYI7MYR7 \
  | 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: 39c3dd127caea1215ab6cce3847d988fc226c6d77127ab580e7982b0cd6433da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f043c99fda0cb69d67fbe46c87bdbcd8de1bb729f439dbb2338f6ebf8ab0f30e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2014-12-13T14:38:48Z",
    "title_canon_sha256": "ac62c8157f6c78bf87e24d61fbb6badba9f978d2b6efdd4b76c7c7446b3e78ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.4241",
    "kind": "arxiv",
    "version": 1
  }
}