Pith Number

pith:UU7L5P2R

pith:2012:UU7L5P2RN7MFGNEWYPPUIPHNFT

not attested not anchored not stored refs pending

Optimal-transport formulation of electronic density-functional theory

Giuseppe Buttazzo, Luigi De Pascale, Paola Gori-Giorgi

arxiv:1205.4514 v1 · 2012-05-21 · cond-mat.str-el · math-ph · math.MP · 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{UU7L5P2RN7MFGNEWYPPUIPHNFT}

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	2026-05-18T01:57:25.167670Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a53ebebf516fd8533496c3df443ced2ccee64e1bad034eb5ac825da710f1d48d

Aliases

arxiv: 1205.4514 · arxiv_version: 1205.4514v1 · doi: 10.48550/arxiv.1205.4514 · pith_short_12: UU7L5P2RN7MF · pith_short_16: UU7L5P2RN7MFGNEW · pith_short_8: UU7L5P2R

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/UU7L5P2RN7MFGNEWYPPUIPHNFT \
  | 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: a53ebebf516fd8533496c3df443ced2ccee64e1bad034eb5ac825da710f1d48d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1ba09cc6f1acce0700ae5c5af87f09aba478a844e081d53f50579159658c5bf",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "physics.chem-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2012-05-21T08:18:14Z",
    "title_canon_sha256": "5ac812e3c10800bba3c16db2dadccb1ab8ab93a77512b098bc8752593ad30e49"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.4514",
    "kind": "arxiv",
    "version": 1
  }
}