Pith Number

pith:47DZHMBO

pith:2011:47DZHMBOF2RJAMMUMRLBWQZJHJ

not attested not anchored not stored refs pending

A Fortran 90 Hartree-Fock program for one-dimensional periodic $\pi$-conjugated systems using Pariser-Parr-Pople model

Alok Shukla, Kondayya Gundra

arxiv:1108.5896 v1 · 2011-08-30 · physics.comp-ph · cond-mat.mes-hall · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{47DZHMBOF2RJAMMUMRLBWQZJHJ}

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	2026-05-18T04:02:54.341326Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7c793b02e2ea290319464561b43293a5052375cd0623edd57dce2cbc1ea3d5b

Aliases

arxiv: 1108.5896 · arxiv_version: 1108.5896v1 · doi: 10.48550/arxiv.1108.5896 · pith_short_12: 47DZHMBOF2RJ · pith_short_16: 47DZHMBOF2RJAMMU · pith_short_8: 47DZHMBO

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/47DZHMBOF2RJAMMUMRLBWQZJHJ \
  | 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: e7c793b02e2ea290319464561b43293a5052375cd0623edd57dce2cbc1ea3d5b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31cdcc9a8504cc78c0a17e37442a0086d362b01529c6a712f5e474e310448f80",
    "cross_cats_sorted": [
      "cond-mat.mes-hall",
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2011-08-30T09:53:02Z",
    "title_canon_sha256": "020d8baeeb734aa5458dc3707200721f054f40e1059d04fc04779c76ad85c2b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.5896",
    "kind": "arxiv",
    "version": 1
  }
}