Pith Number

pith:3MUDUDWZ

pith:2016:3MUDUDWZP55XVWUFLDLTL7OQCF

not attested not anchored not stored refs pending

Optimization of an exchange-correlation density functional for water

Jose M. Soler, Marivi Fernandez-Serra, Michelle Fritz

arxiv:1603.07302 v2 · 2016-03-23 · physics.chem-ph · cond-mat.other · physics.comp-ph

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

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	2026-05-18T01:11:44.694784Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db283a0ed97f7b7ada8558d735fdd0116ea1fc936b38c20071b2c1e2bdeef511

Aliases

arxiv: 1603.07302 · arxiv_version: 1603.07302v2 · doi: 10.48550/arxiv.1603.07302 · pith_short_12: 3MUDUDWZP55X · pith_short_16: 3MUDUDWZP55XVWUF · pith_short_8: 3MUDUDWZ

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/3MUDUDWZP55XVWUFLDLTL7OQCF \
  | 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: db283a0ed97f7b7ada8558d735fdd0116ea1fc936b38c20071b2c1e2bdeef511

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "895cfcd714e74ef1b72980b147788eeb6f0b1905429c83fd52ecc4df2c53e29b",
    "cross_cats_sorted": [
      "cond-mat.other",
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2016-03-23T19:02:44Z",
    "title_canon_sha256": "fad05f09caa7d16b26408723669c3dff8c8a8148c5ab2ac6faa9068f001f5acb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.07302",
    "kind": "arxiv",
    "version": 2
  }
}