Pith Number

pith:CWNMKLQK

pith:2016:CWNMKLQKKR7AXBTCPKGWTJRKNY

not attested not anchored not stored refs pending

Optimization of constrained density functional theory

David D. O'Regan, Gilberto Teobaldi

arxiv:1603.03428 v2 · 2016-03-10 · cond-mat.other · 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{CWNMKLQKKR7AXBTCPKGWTJRKNY}

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	2026-05-18T01:10:06.466719Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

159ac52e0a547e0b86627a8d69a62a6e27ced1fcd256d5c1b748a3f4c807bb99

Aliases

arxiv: 1603.03428 · arxiv_version: 1603.03428v2 · doi: 10.48550/arxiv.1603.03428 · pith_short_12: CWNMKLQKKR7A · pith_short_16: CWNMKLQKKR7AXBTC · pith_short_8: CWNMKLQK

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/CWNMKLQKKR7AXBTCPKGWTJRKNY \
  | 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: 159ac52e0a547e0b86627a8d69a62a6e27ced1fcd256d5c1b748a3f4c807bb99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71f28f2c3156c112364fb4db05144a3611bca2e36c73182bf2cee6fbefb9e5cf",
    "cross_cats_sorted": [
      "physics.chem-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cond-mat.other",
    "submitted_at": "2016-03-10T19:11:50Z",
    "title_canon_sha256": "0debdcd237ff8bbc48e0b6158516aabef699f53006038d0d90da68076646e071"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.03428",
    "kind": "arxiv",
    "version": 2
  }
}