Pith Number

pith:3JK7ZNSC

pith:2011:3JK7ZNSC4H77KLHGZGT5OULOWO

not attested not anchored not stored refs pending

Issues and Challenges in Orbital-free Density Functional Calculations

S. B. Trickey, V. V. Karasiev

arxiv:1109.6602 v2 · 2011-09-29 · cond-mat.mtrl-sci · 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{3JK7ZNSC4H77KLHGZGT5OULOWO}

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	2026-05-18T02:00:21.358042Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da55fcb642e1fff52ce6c9a7d7516eb3a70366b4576b10a4831adec158e8cf58

Aliases

arxiv: 1109.6602 · arxiv_version: 1109.6602v2 · doi: 10.48550/arxiv.1109.6602 · pith_short_12: 3JK7ZNSC4H77 · pith_short_16: 3JK7ZNSC4H77KLHG · pith_short_8: 3JK7ZNSC

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/3JK7ZNSC4H77KLHGZGT5OULOWO \
  | 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: da55fcb642e1fff52ce6c9a7d7516eb3a70366b4576b10a4831adec158e8cf58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7e4ceddea1a0bec54d793e2870c57afdfd739ccf9fdaecd835cc2a3aec81141",
    "cross_cats_sorted": [
      "physics.chem-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2011-09-29T17:25:27Z",
    "title_canon_sha256": "b8dfd3963acbcba8c02866b8e708f8a1e5a679d18f4cbd230511176eb2af1957"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.6602",
    "kind": "arxiv",
    "version": 2
  }
}