Pith Number

pith:PHCOGWDR

pith:2022:PHCOGWDRYBBJ2P3GLWJVLGA6IB

not attested not anchored not stored refs pending

Seven Useful Questions in Density Functional Theory

Adam Wasserman, Antonio C. Cancio, Bhupalee Kalita, John Kozlowski, Kieron Burke, Kiril Datchev, Ryan Pederson, Steven Crisostomo, Suhwan Song

arxiv:2207.05794 v4 · 2022-07-12 · math-ph · math.MP · quant-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{PHCOGWDRYBBJ2P3GLWJVLGA6IB}

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	2026-07-05T06:03:55.792479Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79c4e35871c0429d3f665d9355981e406101c2e785bb5b7ef5fface5d044eadb

Aliases

arxiv: 2207.05794 · arxiv_version: 2207.05794v4 · doi: 10.48550/arxiv.2207.05794 · pith_short_12: PHCOGWDRYBBJ · pith_short_16: PHCOGWDRYBBJ2P3G · pith_short_8: PHCOGWDR

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/PHCOGWDRYBBJ2P3GLWJVLGA6IB \
  | 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: 79c4e35871c0429d3f665d9355981e406101c2e785bb5b7ef5fface5d044eadb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "147dbd655c514d2aab912b3a224338be5efc6b485547d11fed1da7f049dd00c1",
    "cross_cats_sorted": [
      "math.MP",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2022-07-12T19:22:23Z",
    "title_canon_sha256": "cf0d93c7b34962e14edde91812f93310e594c0dde51747c04a25b599e7a1aa09"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2207.05794",
    "kind": "arxiv",
    "version": 4
  }
}