Pith Number

pith:FTCWT6KZ

pith:2021:FTCWT6KZY5NLVBQAWUDYMRIE4Y

not attested not anchored not stored refs pending

Electronic structure of water from Koopmans-compliant functionals

Alfredo Pasquarello, Caetano Rodrigues Miranda, James Moraes de Almeida, Ngoc Linh Nguyen, Nicola Colonna, Nicola Marzari, Wei Chen

arxiv:2106.11994 v1 · 2021-06-22 · 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{FTCWT6KZY5NLVBQAWUDYMRIE4Y}

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	2026-07-05T02:51:41.486444Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2cc569f959c75aba8600b507864504e608b64094fb2ddc658e54ef4bb4da815d

Aliases

arxiv: 2106.11994 · arxiv_version: 2106.11994v1 · doi: 10.48550/arxiv.2106.11994 · pith_short_12: FTCWT6KZY5NL · pith_short_16: FTCWT6KZY5NLVBQA · pith_short_8: FTCWT6KZ

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/FTCWT6KZY5NLVBQAWUDYMRIE4Y \
  | 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: 2cc569f959c75aba8600b507864504e608b64094fb2ddc658e54ef4bb4da815d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7df091aab52c2cd53225ae4cb195693a397bf6a06859ea3d6edb556ba733eae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2021-06-22T18:06:28Z",
    "title_canon_sha256": "9ec68ade19f665e8f366fbd3a1dddc2f54b2e48dce710643f62d1b72b67f6fec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.11994",
    "kind": "arxiv",
    "version": 1
  }
}