Pith Number

pith:J5EYXOPX

pith:2018:J5EYXOPX7NJHOCCKBXJKQ2HSRC

not attested not anchored not stored refs pending

Parquet approximation for molecules: spectrum and optical conductivity of the Pariser-Parr-Pople model

Angelo Valli, Anna Kauch, Gang Li, Karsten Held, Patrik Thunstr\"om, Petra Pudleiner

arxiv:1812.04962 v2 · 2018-12-12 · cond-mat.str-el

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J5EYXOPX7NJHOCCKBXJKQ2HSRC}

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	2026-05-17T23:51:21.214025Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f498bb9f7fb5277084a0dd2a868f288a10e8a3752bcf72386fc5a77f36733f8

Aliases

arxiv: 1812.04962 · arxiv_version: 1812.04962v2 · doi: 10.48550/arxiv.1812.04962 · pith_short_12: J5EYXOPX7NJH · pith_short_16: J5EYXOPX7NJHOCCK · pith_short_8: J5EYXOPX

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/J5EYXOPX7NJHOCCKBXJKQ2HSRC \
  | 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: 4f498bb9f7fb5277084a0dd2a868f288a10e8a3752bcf72386fc5a77f36733f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c5e52e862e8e8b0e4982c7e7894bfc97daa29d5f8074a41fe624f80f6ed3116",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2018-12-12T14:20:35Z",
    "title_canon_sha256": "aceb526486ff983d9f07d170fda71552252994e9eb65a30e0aadf4ef3956f44f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.04962",
    "kind": "arxiv",
    "version": 2
  }
}