Pith Number

pith:ZWNJYAXR

pith:2018:ZWNJYAXRKRI5C35NLBNRV6KP3V

not attested not anchored not stored refs pending

Hydrogenated pyrene: Statistical single-carbon loss below the knockout threshold

Henning T. Schmidt, Henning Zettergren, Henrik Cederquist, Linda Giacomozzi, Mark H.Stockett, Michael Gatchell, Michael Wolf, Nathalie de Ruette

arxiv:1804.02862 v1 · 2018-04-09 · physics.chem-ph · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZWNJYAXRKRI5C35NLBNRV6KP3V}

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	2026-05-18T00:18:58.135202Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd9a9c02f15451d16fad585b1af94fdd728a578a1fd93949087825f6e86f0a0f

Aliases

arxiv: 1804.02862 · arxiv_version: 1804.02862v1 · doi: 10.48550/arxiv.1804.02862 · pith_short_12: ZWNJYAXRKRI5 · pith_short_16: ZWNJYAXRKRI5C35N · pith_short_8: ZWNJYAXR

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/ZWNJYAXRKRI5C35NLBNRV6KP3V \
  | 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: cd9a9c02f15451d16fad585b1af94fdd728a578a1fd93949087825f6e86f0a0f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0dd96e22b848c3120c1c4f5f0833f9ea63553a30036bbe363c9720faf5861c3b",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2018-04-09T08:22:21Z",
    "title_canon_sha256": "7d472cfd677579bfeb071132a2a95b7d6493b17f9a51c9e642f28ffc7195e7bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.02862",
    "kind": "arxiv",
    "version": 1
  }
}