Pith Number

pith:N6FYQ3AM

pith:2020:N6FYQ3AM6QXQYPL3JM5ULJN5OA

not attested not anchored not stored refs pending

Learning the energy curvature versus particle number in approximate density functionals

Alberto Fabrizio, Benjamin Meyer, Clemence Corminboeuf

arxiv:2002.06929 v1 · 2020-02-17 · physics.chem-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N6FYQ3AM6QXQYPL3JM5ULJN5OA}

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	2026-07-05T01:50:18.264203Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f8b886c0cf42f0c3d7b4b3b45a5bd703e8b4945a55673e84b4e92ee88cf8fce

Aliases

arxiv: 2002.06929 · arxiv_version: 2002.06929v1 · doi: 10.48550/arxiv.2002.06929 · pith_short_12: N6FYQ3AM6QXQ · pith_short_16: N6FYQ3AM6QXQYPL3 · pith_short_8: N6FYQ3AM

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/N6FYQ3AM6QXQYPL3JM5ULJN5OA \
  | 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: 6f8b886c0cf42f0c3d7b4b3b45a5bd703e8b4945a55673e84b4e92ee88cf8fce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "973330d5af6b0346d6065bbe738fa46b18bab235476c0d03031cb66ebe9e84bc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2020-02-17T12:55:36Z",
    "title_canon_sha256": "35590b2dd685c8a64f2735eaba846cec1105c6e61e47112ccbe200feb642bedc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.06929",
    "kind": "arxiv",
    "version": 1
  }
}