Pith Number

pith:PDSM7JJ2

pith:2013:PDSM7JJ2UD5BLS3CGYRYALP4KC

not attested not anchored not stored refs pending

Pariser-Parr-Pople Model based Investigation of Ground and Low-Lying Excited States of Long Acenes

Alok Shukla, Himanshu Chakraborty

arxiv:1304.0075 v2 · 2013-03-30 · 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{PDSM7JJ2UD5BLS3CGYRYALP4KC}

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	2026-05-18T03:01:46.685354Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78e4cfa53aa0fa15cb623623802dfc5089b13ade45b3dd439d4e0571b4c5f195

Aliases

arxiv: 1304.0075 · arxiv_version: 1304.0075v2 · doi: 10.48550/arxiv.1304.0075 · pith_short_12: PDSM7JJ2UD5B · pith_short_16: PDSM7JJ2UD5BLS3C · pith_short_8: PDSM7JJ2

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/PDSM7JJ2UD5BLS3CGYRYALP4KC \
  | 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: 78e4cfa53aa0fa15cb623623802dfc5089b13ade45b3dd439d4e0571b4c5f195

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d59ae714be7f3479464bb83998d043e690e8df417bcdd8bd30c0fb71811cf56",
    "cross_cats_sorted": [
      "physics.chem-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2013-03-30T08:12:05Z",
    "title_canon_sha256": "2428a09ef7ae04cacd8504c111de0c42f7d268fefb6f80b4d89436a89d31d88e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.0075",
    "kind": "arxiv",
    "version": 2
  }
}