Pith Number

pith:PBF4KVDE

pith:2025:PBF4KVDEDM3WUCDEFEDPSNAEFS

not attested not anchored not stored refs pending

On the semi-classical limit for the Landau-Fermi-Dirac equation

Paulo Sampaio

arxiv:2501.13800 v1 · 2025-01-23 · 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{PBF4KVDEDM3WUCDEFEDPSNAEFS}

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	2026-07-05T10:04:34.054716Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

784bc554641b376a08642906f934042c884b56b1b25ef6037f67211de69e05a4

Aliases

arxiv: 2501.13800 · arxiv_version: 2501.13800v1 · doi: 10.48550/arxiv.2501.13800 · pith_short_12: PBF4KVDEDM3W · pith_short_16: PBF4KVDEDM3WUCDE · pith_short_8: PBF4KVDE

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/PBF4KVDEDM3WUCDEFEDPSNAEFS \
  | 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: 784bc554641b376a08642906f934042c884b56b1b25ef6037f67211de69e05a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "126c25741df82f9ffecded1f39e4cf0c02ecef0debf2cbc3048e47ba75766386",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2025-01-23T16:17:09Z",
    "title_canon_sha256": "7b877c1922d5b96b8796279943622b996a45d5d61b2c07ba081bde3e95b8e82f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.13800",
    "kind": "arxiv",
    "version": 1
  }
}