Pith Number

pith:6YYFP3EK

pith:2013:6YYFP3EKLXNQLRKJSUNCGMPYIL

not attested not anchored not stored refs pending

Calculating Hyperfine Couplings in Large Ionic Crystals Containing Hundreds of QM Atoms: Subsystem DFT is the Key

David M. Close, Michele Pavanello, Ruslan Kevorkyants, Xiqiao Wang

arxiv:1308.3134 v1 · 2013-08-14 · physics.chem-ph · physics.atm-clus · 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{6YYFP3EKLXNQLRKJSUNCGMPYIL}

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	2026-05-18T03:09:21.957449Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f63057ec8a5ddb05c549951a2331f842c0b078d0d2cfe91eaf023cc88a51919c

Aliases

arxiv: 1308.3134 · arxiv_version: 1308.3134v1 · doi: 10.48550/arxiv.1308.3134 · pith_short_12: 6YYFP3EKLXNQ · pith_short_16: 6YYFP3EKLXNQLRKJ · pith_short_8: 6YYFP3EK

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/6YYFP3EKLXNQLRKJSUNCGMPYIL \
  | 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: f63057ec8a5ddb05c549951a2331f842c0b078d0d2cfe91eaf023cc88a51919c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86cbda9697e4cab0713b198f42237da5f25f737cc318eb90d360b27ad27f72b0",
    "cross_cats_sorted": [
      "physics.atm-clus",
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2013-08-14T14:07:50Z",
    "title_canon_sha256": "3de826df17dd65a1e93f36c518671388808c2ab0c055d1de445d8cebc6619c05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.3134",
    "kind": "arxiv",
    "version": 1
  }
}