Pith Number

pith:ZR5BIK2K

pith:2015:ZR5BIK2KWZTZPOKLA7CD5TVNQH

not attested not anchored not stored refs pending

The particle-hole map: a computational tool to visualize electronic excitations

Carsten A. Ullrich, Yonghui Li

arxiv:1510.04250 v1 · 2015-10-14 · 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{ZR5BIK2KWZTZPOKLA7CD5TVNQH}

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	2026-05-18T01:30:08.772518Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc7a142b4ab66797b94b07c43ecead81f26eb3223012e97a3ca44d66bd721370

Aliases

arxiv: 1510.04250 · arxiv_version: 1510.04250v1 · doi: 10.48550/arxiv.1510.04250 · pith_short_12: ZR5BIK2KWZTZ · pith_short_16: ZR5BIK2KWZTZPOKL · pith_short_8: ZR5BIK2K

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/ZR5BIK2KWZTZPOKLA7CD5TVNQH \
  | 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: cc7a142b4ab66797b94b07c43ecead81f26eb3223012e97a3ca44d66bd721370

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1abf9da578983f57e69459bec1633da9c172802abfda311625fa4068ba9a9896",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2015-10-14T19:38:10Z",
    "title_canon_sha256": "e4aa5dd633ee464c5e8a982222c13188af85c106a17d9c49f729ceb17025b35f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.04250",
    "kind": "arxiv",
    "version": 1
  }
}