Pith Number

pith:7RDCVFUK

pith:2021:7RDCVFUKMDFRWTJHQUP7GLWLEM

not attested not anchored not stored refs pending

Lies My Teacher Told Me About Density Functional Theory: Seeing Through Them with the Hubbard Dimer

John Kozlowski, Kieron Burke

arxiv:2108.11534 v3 · 2021-08-26 · cond-mat.str-el · 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{7RDCVFUKMDFRWTJHQUP7GLWLEM}

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	2026-07-05T05:00:13.889739Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc462a968a60cb1b4d27851ff32ecb231f70c46f4658b3ea28ddc948a6cc4203

Aliases

arxiv: 2108.11534 · arxiv_version: 2108.11534v3 · doi: 10.48550/arxiv.2108.11534 · pith_short_12: 7RDCVFUKMDFR · pith_short_16: 7RDCVFUKMDFRWTJH · pith_short_8: 7RDCVFUK

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/7RDCVFUKMDFRWTJHQUP7GLWLEM \
  | 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: fc462a968a60cb1b4d27851ff32ecb231f70c46f4658b3ea28ddc948a6cc4203

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d304440a91c36ee7e78779fc4f3db7334e9da82c30b10cc4c9555258d1db187",
    "cross_cats_sorted": [
      "physics.chem-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2021-08-26T00:55:41Z",
    "title_canon_sha256": "8808d438836c17d11a6da5feb0afdf4c501067f163961ccaf17db405fa4aea03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.11534",
    "kind": "arxiv",
    "version": 3
  }
}