Pith Number

pith:WN56RSZS

pith:2018:WN56RSZS327HJO4FGEQX2TC3IM

not attested not anchored not stored refs pending

The electronic complexity of the ground-state of the FeMo cofactor of nitrogenase as relevant to quantum simulations

C. J. Umrigar, Garnet Kin-Lic Chan, Junhao Li, Nikesh S. Dattani, Zhendong Li

arxiv:1809.10307 v1 · 2018-09-27 · physics.chem-ph · quant-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{WN56RSZS327HJO4FGEQX2TC3IM}

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	2026-05-17T23:55:11.664738Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b37be8cb32debe74bb8531217d4c5b4322e1fb4983b0b2ce15ebbcc5503b0bab

Aliases

arxiv: 1809.10307 · arxiv_version: 1809.10307v1 · doi: 10.48550/arxiv.1809.10307 · pith_short_12: WN56RSZS327H · pith_short_16: WN56RSZS327HJO4F · pith_short_8: WN56RSZS

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/WN56RSZS327HJO4FGEQX2TC3IM \
  | 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: b37be8cb32debe74bb8531217d4c5b4322e1fb4983b0b2ce15ebbcc5503b0bab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e879a68de98bf6019cc30311c5e18251a282de3006e51851340ab6a56dc9692",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2018-09-27T01:52:01Z",
    "title_canon_sha256": "70a05a02c36da7602e980f3f6e77743df2011cd1d5838e4e4d43d30ff21349e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.10307",
    "kind": "arxiv",
    "version": 1
  }
}