Pith Number

pith:KNU5EFKA

pith:2016:KNU5EFKAXRIXY5WPHJ2KGKCMRC

not attested not anchored not stored refs pending

Cost-effective description of strong correlation: efficient implementations of the perfect quadruples and perfect hextuples models

John Parkhill, Martin Head-Gordon, Susi Lehtola

arxiv:1609.00077 v1 · 2016-09-01 · cond-mat.str-el · physics.chem-ph · physics.comp-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{KNU5EFKAXRIXY5WPHJ2KGKCMRC}

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	2026-05-18T01:03:05.623917Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5369d21540bc517c76cf3a74a3284c8890b736a06c2e3bdc3b1cc2c9ed3e5d52

Aliases

arxiv: 1609.00077 · arxiv_version: 1609.00077v1 · doi: 10.48550/arxiv.1609.00077 · pith_short_12: KNU5EFKAXRIX · pith_short_16: KNU5EFKAXRIXY5WP · pith_short_8: KNU5EFKA

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/KNU5EFKAXRIXY5WPHJ2KGKCMRC \
  | 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: 5369d21540bc517c76cf3a74a3284c8890b736a06c2e3bdc3b1cc2c9ed3e5d52

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "358fa47bdbdd12d2c27111d32e50988e430f9ab0dc230d748dda7aaae79347ce",
    "cross_cats_sorted": [
      "physics.chem-ph",
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2016-09-01T01:19:40Z",
    "title_canon_sha256": "530d45a4250f51fb9c67e73b16ea5492c3698d6334d1219b80bec499bda0a373"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.00077",
    "kind": "arxiv",
    "version": 1
  }
}