Pith Number

pith:NTVPUGAA

pith:2014:NTVPUGAAKGNSGP5XMQTV7BLOQC

not attested not anchored not stored refs pending

Correlation energy within exact-exchange ACFD theory: systematic development and simple approximations

Maria Hellgren, Nicola Colonna, Stefano de Gironcoli

arxiv:1409.0354 v1 · 2014-09-01 · cond-mat.str-el · 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{NTVPUGAAKGNSGP5XMQTV7BLOQC}

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	2026-05-18T01:42:11.306800Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ceafa1800519b233fb764275f856e80a06b62835e3e81d20254e1c05893c774

Aliases

arxiv: 1409.0354 · arxiv_version: 1409.0354v1 · doi: 10.48550/arxiv.1409.0354 · pith_short_12: NTVPUGAAKGNS · pith_short_16: NTVPUGAAKGNSGP5X · pith_short_8: NTVPUGAA

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/NTVPUGAAKGNSGP5XMQTV7BLOQC \
  | 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: 6ceafa1800519b233fb764275f856e80a06b62835e3e81d20254e1c05893c774

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "10546058b753825ccfb7d47a71ffe9d509b6d62bd9ba3cfca309c4121b15c2c5",
    "cross_cats_sorted": [
      "physics.chem-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2014-09-01T10:29:11Z",
    "title_canon_sha256": "c318e450b46e8c6f0f115ef6b2a7f5d3f70fbfe680b9b8c58459c168639eb159"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.0354",
    "kind": "arxiv",
    "version": 1
  }
}