Pith Number

pith:FDXMPP7K

pith:2016:FDXMPP7KIQDC3XXL5FRCITSAJW

not attested not anchored not stored refs pending

Diffusion in an expanding medium: Fokker-Planck equation, Green's function and first-passage properties

C. Escudero, E. Abad, S. B. Yuste

arxiv:1604.03599 v3 · 2016-04-12 · cond-mat.stat-mech · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FDXMPP7KIQDC3XXL5FRCITSAJW}

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	2026-05-18T01:04:13.323906Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28eec7bfea44062ddeebe962244e404dba1cb86b6f059bdbb3bec27a0b0ca277

Aliases

arxiv: 1604.03599 · arxiv_version: 1604.03599v3 · doi: 10.48550/arxiv.1604.03599 · pith_short_12: FDXMPP7KIQDC · pith_short_16: FDXMPP7KIQDC3XXL · pith_short_8: FDXMPP7K

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/FDXMPP7KIQDC3XXL5FRCITSAJW \
  | 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: 28eec7bfea44062ddeebe962244e404dba1cb86b6f059bdbb3bec27a0b0ca277

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c317d04e8fdea7c30682110cbb9cb0e8687b371faf534f56ce290900c221226",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2016-04-12T21:58:28Z",
    "title_canon_sha256": "a787b7711b422d274c492eba89920ee9053d35556c99d92e28a84bc8e84e6ce8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.03599",
    "kind": "arxiv",
    "version": 3
  }
}