Pith Number

pith:5YLNR5VV

pith:2019:5YLNR5VV3G7POYEKVMBRRW32MM

not attested not anchored not stored refs pending

Gradient Flow Based Discretized Kohn-Sham Density Functional Theory

Aihui Zhou, Qiao Wang, Xiaoying Dai

arxiv:1907.06321 v1 · 2019-07-15 · math.NA · cs.NA · math-ph · math.MP · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5YLNR5VV3G7POYEKVMBRRW32MM}

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	2026-05-17T23:40:37.932345Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee16d8f6b5d9bef7608aab0318db7a630dde73b8a49a614421c86d7999bb3bbf

Aliases

arxiv: 1907.06321 · arxiv_version: 1907.06321v1 · doi: 10.48550/arxiv.1907.06321 · pith_short_12: 5YLNR5VV3G7P · pith_short_16: 5YLNR5VV3G7POYEK · pith_short_8: 5YLNR5VV

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/5YLNR5VV3G7POYEKVMBRRW32MM \
  | 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: ee16d8f6b5d9bef7608aab0318db7a630dde73b8a49a614421c86d7999bb3bbf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1b8f8022dc28e7205bcb5dc99f9bfd126a90427bb1696a8004ca104e318d290",
    "cross_cats_sorted": [
      "cs.NA",
      "math-ph",
      "math.MP",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-07-15T03:18:05Z",
    "title_canon_sha256": "9cfa9b166340682ef7f81ceec2d3109ecfbf8f461e506531fa02c8cda28ba185"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.06321",
    "kind": "arxiv",
    "version": 1
  }
}